CLEP · Biology

Biology

 1,133 entries 1057 atoms · 47 procedures · 29 capstones 8.1h runtime 1,711 prerequisite links 

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Bio 0001 What Biology Is A
Bio 0003 Natural Science A
Bio 0005 Basic Science A
Bio 0007 Applied Science A
Bio 0010 Observation and Question A
Bio 0012 Hypothesis A
Bio 0013 "A Hypothesis Is Just a Guess" A
Bio 0015 Prediction A
Bio 0017 Falsifiability A
Bio 0019 Variable A
Bio 0021 Control Group A
Bio 0024 Designing a Controlled Experiment P
Bio 0027 Inductive Reasoning A
Bio 0029 Deductive Reasoning A
Bio 0031 Descriptive Science and Hypothesis-Based Science A
Bio 0034 Scientific Theory A
Bio 0035 "Evolution Is Just a Theory" A
Bio 0037 Peer Review A
Bio 0039 The Scientific Method, Applied C
Bio 0041 Order A
Bio 0043 Response to Stimuli A
Bio 0045 Reproduction A
Bio 0047 Adaptation A
Bio 0049 Growth and Development A
Bio 0051 Homeostasis A
Bio 0053 Energy Processing A
Bio 0055 Evolution A
Bio 0056 Natural Selection A
Bio 0057 "Organisms Evolve Because They Need To" A
Bio 0060 Levels of Organization: Atom to Cell A
Bio 0062 Levels of Organization: Tissue to Organism A
Bio 0064 Levels of Organization: Population to Biosphere A
Bio 0067 Prokaryote and Eukaryote A
Bio 0070 Is a Virus Alive? A
Bio 0073 Three Domains of Life A
Bio 0076 Phylogenetic Tree A
Bio 0111 Matter and Elements A
Bio 0113 Atomic Structure A
Bio 0115 Atomic Number and Mass Number A
Bio 0117 Isotopes A
Bio 0119 Radioactive Isotopes and Half-Life A
Bio 0122 Dating a Fossil by Isotope Decay P
Bio 0125 Electron Shells and the Octet Rule A
Bio 0127 Ions A
Bio 0129 Ionic Bonds A
Bio 0131 Covalent Bonds A
Bio 0133 Polar Covalent Bonds A
Bio 0135 Nonpolar Covalent Bonds A
Bio 0137 Hydrogen Bonds A
Bio 0139 Van der Waals Interactions A
Bio 0142 Water's Polarity A
Bio 0144 Cohesion and Adhesion A
Bio 0146 Water's High Heat Capacity A
Bio 0148 Water's Heat of Vaporization A
Bio 0150 Water as a Solvent A
Bio 0152 Why Ice Floats A
Bio 0155 The pH Scale A
Bio 0157 Acids A
Bio 0159 Bases A
Bio 0161 Buffers A
Bio 0164 Buffering Blood pH, Worked P
Bio 0185 Dehydration Synthesis A
Bio 0187 Hydrolysis A
Bio 0190 Monosaccharides A
Bio 0192 Disaccharides and the Glycosidic Bond A
Bio 0194 Polysaccharides: Starch and Glycogen A
Bio 0196 Polysaccharides: Cellulose and Chitin A
Bio 0199 Fatty Acids: Saturated and Unsaturated A
Bio 0201 Triglycerides A
Bio 0203 Phospholipids A
Bio 0205 Steroids A
Bio 0208 Amino Acids and the Peptide Bond A
Bio 0210 Protein Primary Structure A
Bio 0212 Protein Secondary Structure A
Bio 0214 Protein Tertiary and Quaternary Structure A
Bio 0216 Denaturation A
Bio 0219 Nucleotide Structure A
Bio 0221 DNA and RNA A
Bio 0224 Identifying a Macromolecule from Its Monomer C
Bio 0241 Microscopy and Cell Size A
Bio 0243 Light and Electron Microscopy A
Bio 0245 Unified Cell Theory A
Bio 0247 Four Components Every Cell Shares A
Bio 0249 Structure of a Prokaryotic Cell A
Bio 0251 Prokaryotic Surface Structures A
Bio 0253 Why Cell Size Is Limited A
Bio 0255 Structure of a Eukaryotic Cell A
Bio 0257 The Plasma Membrane, Introduced A
Bio 0259 Microvilli A
Bio 0261 Cytoplasm and Cytosol A
Bio 0263 The Nucleus and Nuclear Envelope A
Bio 0265 Chromatin and Chromosomes A
Bio 0267 The Nucleolus A
Bio 0269 Ribosomes A
Bio 0271 Mitochondria A
Bio 0273 Chloroplasts A
Bio 0274 Endosymbiosis A
Bio 0275 Peroxisomes A
Bio 0277 Vesicles and Vacuoles A
Bio 0279 The Centrosome A
Bio 0281 Lysosomes A
Bio 0283 The Plant Cell Wall A
Bio 0285 The Central Vacuole A
Bio 0287 The Endomembrane System A
Bio 0289 Rough Endoplasmic Reticulum A
Bio 0291 Smooth Endoplasmic Reticulum A
Bio 0293 The Golgi Apparatus A
Bio 0295 Lysosome Formation within the Endomembrane System A
Bio 0297 The Cytoskeleton, Introduced A
Bio 0299 Microfilaments A
Bio 0301 Intermediate Filaments A
Bio 0303 Microtubules A
Bio 0305 Flagella and Cilia A
Bio 0307 The Extracellular Matrix A
Bio 0309 Plasmodesmata A
Bio 0311 Tight Junctions A
Bio 0312 Desmosomes A
Bio 0313 Gap Junctions A
Bio 0316 Identifying a Cell from Its Organelles C
Bio 0321 The Fluid Mosaic Model A
Bio 0323 Membrane Phospholipids, Oriented A
Bio 0325 Integral and Peripheral Proteins A
Bio 0327 The Glycocalyx A
Bio 0328 How a Virus Exploits Membrane Receptors A
Bio 0329 Membrane Fluidity A
Bio 0330 Cholesterol's Role in the Membrane A
Bio 0333 Selective Permeability A
Bio 0335 Diffusion A
Bio 0337 Dynamic Equilibrium A
Bio 0339 Factors Affecting Diffusion Rate A
Bio 0341 Facilitated Transport A
Bio 0343 Channel Proteins A
Bio 0345 Carrier Proteins A
Bio 0347 Osmosis A
Bio 0349 Osmolarity and Tonicity A
Bio 0351 Hypotonic, Isotonic, and Hypertonic Solutions A
Bio 0352 "Isotonic Means the Same for Every Cell" A
Bio 0354 Osmotic Lysis and Crenation A
Bio 0356 Turgor Pressure and Plasmolysis A
Bio 0358 Active Transport A
Bio 0360 Electrochemical Gradient A
Bio 0362 The Sodium-Potassium Pump A
Bio 0364 Primary and Secondary Active Transport A
Bio 0366 Uniporters, Symporters, and Antiporters A
Bio 0368 Endocytosis A
Bio 0370 Phagocytosis A
Bio 0372 Pinocytosis A
Bio 0374 Receptor-Mediated Endocytosis A
Bio 0376 Exocytosis A
Bio 0473 Diagnosing a Membrane Transport Failure C
Bio 0481 Metabolism and Bioenergetics A
Bio 0483 Anabolic and Catabolic Pathways A
Bio 0485 The Metabolic Pathway A
Bio 0487 ATP versus Glucose: Currency and Storage A
Bio 0489 Kinetic and Potential Energy A
Bio 0491 Chemical Energy A
Bio 0493 Gibbs Free Energy and Exergonic/Endergonic Reactions A
Bio 0494 "Spontaneous Means Instantaneous" A
Bio 0496 Chemical Equilibrium in an Open System A
Bio 0498 Activation Energy A
Bio 0500 Catalysis Lowers Activation Energy A
Bio 0502 Systems: Open and Closed A
Bio 0504 The First Law of Thermodynamics A
Bio 0506 The Second Law of Thermodynamics and Entropy A
Bio 0508 ATP Structure A
Bio 0510 ATP Hydrolysis A
Bio 0512 Energy Coupling and Phosphorylation A
Bio 0514 Enzymes as Catalysts A
Bio 0516 The Active Site and Substrate Specificity A
Bio 0518 Induced Fit A
Bio 0520 Temperature, pH, and Enzyme Activity A
Bio 0522 Enzyme Denaturation A
Bio 0524 Competitive Inhibition A
Bio 0526 Noncompetitive and Allosteric Inhibition A
Bio 0528 Cofactors and Coenzymes A
Bio 0530 Enzyme Compartmentalization A
Bio 0532 Feedback Inhibition A
Bio 0534 Redox Reactions A
Bio 0536 Electron Carriers: NAD+ and FAD A
Bio 0538 Substrate-Level Phosphorylation A
Bio 0540 Glycolysis, Overview A
Bio 0542 The Steps of Glycolysis P
Bio 0544 Pyruvate Oxidation to Acetyl CoA A
Bio 0546 The Citric Acid Cycle: A Closed Loop A
Bio 0548 Steps of the Citric Acid Cycle P
Bio 0550 The Electron Transport Chain, Overview A
Bio 0552 Steps of the Electron Transport Chain P
Bio 0554 Chemiosmosis and ATP Synthase A
Bio 0556 Why ATP Yield from Glucose Varies A
Bio 0558 Anaerobic Cellular Respiration A
Bio 0560 Fermentation, Defined A
Bio 0562 Lactic Acid Fermentation A
Bio 0563 "Lactic Acid Causes Muscle Soreness" A
Bio 0565 Alcohol Fermentation A
Bio 0567 Glycogen and Other Sugars Feed Glycolysis A
Bio 0569 Protein Catabolism Connects to Respiration A
Bio 0571 Lipid Catabolism Connects to Respiration A
Bio 0573 Regulation of Glycolysis by Phosphofructokinase A
Bio 0575 Tracing Glucose Through Cellular Respiration C
Bio 0577 Photoautotrophs, Heterotrophs, and Chemoautotrophs A
Bio 0579 The Overall Equation of Photosynthesis A
Bio 0581 Leaf Structures: Mesophyll, Stomata, and Guard Cells A
Bio 0583 Two Stages of Photosynthesis A
Bio 0585 Wavelength and Light Energy A
Bio 0587 Photosynthetic Pigments: Chlorophyll and Carotenoids A
Bio 0589 The Absorption Spectrum A
Bio 0591 Photosystem Structure A
Bio 0593 Photosystem II and the Splitting of Water A
Bio 0595 The Chloroplast Electron Transport Chain A
Bio 0597 Photosystem I and NADPH Formation A
Bio 0599 Chemiosmosis in the Thylakoid A
Bio 0601 The Light-Dependent Reactions, Full Sequence P
Bio 0603 Carbon Fixation by RuBisCO A
Bio 0604 Photorespiration: RuBisCO's Oxygenase Activity A
Bio 0605 The Calvin Cycle: Three Stages P
Bio 0606 C4 Photosynthesis: Bundle Sheath Cells and PEP Carboxylase A
Bio 0607 G3P as the Calvin Cycle's Export A
Bio 0608 CAM: A Water-Conserving Adaptation A
Bio 0609 C3, C4, and CAM Compared P
Bio 0610 Photosynthesis and Respiration Are Linked, Not Opposed A
Bio 0612 Energy Flows and Degrades; Matter Cycles A
Bio 0613 "Energy Is Recycled in an Ecosystem" A
Bio 0616 Tracing Carbon and Energy Through Photosynthesis C
Bio 0761 Intercellular and Intracellular Signaling A
Bio 0763 Ligands and Receptors A
Bio 0765 Paracrine Signaling A
Bio 0767 Synaptic Signaling, a Paracrine Case A
Bio 0769 Endocrine Signaling A
Bio 0771 Autocrine Signaling A
Bio 0773 Direct Signaling via Gap Junctions and Plasmodesmata A
Bio 0775 Internal Receptors A
Bio 0777 Cell-Surface Receptors: Three Domains A
Bio 0779 Ion Channel-Linked Receptors A
Bio 0781 G-Protein-Linked Receptors A
Bio 0783 The G-Protein Activation Cycle P
Bio 0785 Enzyme-Linked Receptors and Receptor Tyrosine Kinases A
Bio 0787 Small Hydrophobic Ligands: Steroid Hormones A
Bio 0789 Water-Soluble Ligands A
Bio 0791 Nitric Oxide as a Gaseous Ligand A
Bio 0793 Signal Transduction and Receptor Dimerization A
Bio 0795 Upstream and Downstream in a Signaling Cascade A
Bio 0797 Signal Amplification A
Bio 0799 Signal Integration A
Bio 0801 Second Messengers, Defined A
Bio 0803 Calcium as a Second Messenger A
Bio 0805 Cyclic AMP as a Second Messenger A
Bio 0807 The Phosphoinositide Pathway: PIP2 to DAG and IP3 P
Bio 0809 Signal Transduction Can Regulate Gene Expression A
Bio 0811 Signal Transduction Can Alter Metabolism: the Epinephrine Case A
Bio 0813 Signal Transduction Can Drive Cell Growth A
Bio 0815 Apoptosis: Programmed Cell Death A
Bio 0817 Terminating a Signal A
Bio 0819 Tracing a Ligand from Binding to Cellular Response C
Bio 0821 Quorum Sensing in Bacteria A
Bio 0823 Biofilms A
Bio 0825 Signaling in Yeast A
Bio 0827 Genome and Chromosome: Prokaryotic vs. Eukaryotic A
Bio 0829 Gene and Allele, Locked Terms A
Bio 0831 Locus and Homologous Chromosomes A
Bio 0833 Diploid and Haploid A
Bio 0835 Genes, Traits, and Variation A
Bio 0837 Chromatin Compaction, Overview A
Bio 0839 Chromatin Compaction: the Nucleosome A
Bio 0841 Higher-Order Chromatin Packing A
Bio 0843 Sister Chromatids and the Centromere A
Bio 0845 The Cell Cycle: Interphase and the Mitotic Phase A
Bio 0847 G1 Phase A
Bio 0849 S Phase A
Bio 0851 G2 Phase A
Bio 0853 G0 Phase and Quiescence A
Bio 0855 Mitosis, Overview A
Bio 0857 Prophase A
Bio 0859 Prometaphase and the Kinetochore A
Bio 0861 Metaphase A
Bio 0863 Anaphase A
Bio 0865 Telophase A
Bio 0867 Cytokinesis in Animal Cells A
Bio 0869 Cytokinesis in Plant Cells A
Bio 0871 Mitosis Is Not Meiosis A
Bio 0873 Tracing One Cell Cycle from G1 through Cytokinesis C
Bio 0875 External Regulation of the Cell Cycle A
Bio 0877 Cell-Cycle Checkpoints, Three Gates A
Bio 0879 The G1 Checkpoint A
Bio 0881 The G2 Checkpoint A
Bio 0883 The M (Spindle) Checkpoint A
Bio 0885 Cyclins and Cyclin-Dependent Kinases A
Bio 0887 The Cyclin-Cdk Activation Cycle P
Bio 0889 Negative Regulation: Rb, p53, and p21 A
Bio 0891 p53 and the DNA-Damage Response A
Bio 0893 Cancer as Uncontrolled Cell Division A
Bio 0895 Proto-oncogenes and Oncogenes A
Bio 0897 "An Oncogene Is a Foreign, Invading Gene" A
Bio 0899 Tumor Suppressor Genes A
Bio 0901 Cancer as a Multi-Hit, Multi-Generational Process A
Bio 0903 Binary Fission A
Bio 0905 The FtsZ Ring A
Bio 0906 FtsZ and Tubulin: Homologous Structures A
Bio 0907 Comparing Prokaryotic and Eukaryotic Cell Division C
Bio 0961 Meiosis, Overview A
Bio 0963 Interphase Before Meiosis A
Bio 0965 Prophase I: Synapsis and the Synaptonemal Complex A
Bio 0967 Crossing Over and the Chiasma A
Bio 0969 The Tetrad A
Bio 0971 Prometaphase I A
Bio 0973 Metaphase I and Independent Orientation A
Bio 0975 Anaphase I A
Bio 0977 Telophase I and Cytokinesis I A
Bio 0979 Meiosis II, Overview A
Bio 0981 Prophase II Through Telophase II A
Bio 0983 Tracing One Diploid Cell Through Meiosis I and II P
Bio 0985 Meiosis Compared to Mitosis: Homolog Pairing and Crossover A
Bio 0987 Crossing Over as a Source of Genetic Variation A
Bio 0989 Independent Assortment of Tetrads as a Source of Genetic Variation A
Bio 0991 Random Fertilization as a Source of Genetic Variation A
Bio 0993 Tracing Genetic Variation from Prophase I Through Fertilization C
Bio 0995 Sexual and Asexual Reproduction Compared A
Bio 0997 The Diplontic Life Cycle A
Bio 0999 The Haplontic Life Cycle A
Bio 1001 The Haplodiplontic Life Cycle A
Bio 1003 The Evolution of Meiosis, an Open Question A
Bio 1005 Genetics and Mendel's Historical Context A
Bio 1007 Mendel's Model System: the Garden Pea A
Bio 1009 True-Breeding Lines and Controlled Pollination A
Bio 1011 P0, F1, and F2 Generations A
Bio 1013 The Monohybrid Cross A
Bio 1015 Particulate Inheritance A
Bio 1017 "Inherited Traits Blend Like Mixed Paint" A
Bio 1019 Mendel's 3:1 Ratio, Observed A
Bio 1021 The Rule of Addition A
Bio 1023 The Rule of Multiplication A
Bio 1025 Applying the Probability Rules to a Genetic Cross P
Bio 1027 Genotype and Phenotype, Locked Terms A
Bio 1029 Homozygous and Heterozygous A
Bio 1031 Dominant and Recessive Alleles A
Bio 1033 "Dominant Means More Common" A
Bio 1035 The Punnett Square A
Bio 1037 The Testcross A
Bio 1039 Incomplete Dominance A
Bio 1041 Codominance A
Bio 1043 Multiple Alleles: the ABO Blood Group A
Bio 1045 Lethal Alleles A
Bio 1047 X-Linked Inheritance A
Bio 1049 The Law of Dominance A
Bio 1051 The Law of Segregation A
Bio 1053 The Physical Basis of Segregation in Meiosis I A
Bio 1055 The Law of Independent Assortment A
Bio 1057 The Physical Basis of Independent Assortment in Meiosis I A
Bio 1059 The Dihybrid Cross A
Bio 1061 The 9:3:3:1 Ratio A
Bio 1063 The Forked-Line Method A
Bio 1065 Solving a Trihybrid Cross with the Probability Method P
Bio 1067 Genetic Linkage A
Bio 1069 Recombination Frequency A
Bio 1071 Epistasis A
Bio 1073 Full Dihybrid Cross: Genotype to Phenotype C
Bio 1075 Sex-Determination Systems A
Bio 1077 X-Inactivation and the Barr Body A
Bio 1079 Reading a Pedigree to Infer a Mode of Inheritance P
Bio 1181 The Chromosomal Theory of Inheritance A
Bio 1183 Morgan's Drosophila Evidence for the Chromosomal Theory A
Bio 1185 Genetic Maps from Recombination Frequency A
Bio 1187 Nondisjunction A
Bio 1189 Aneuploidy A
Bio 1191 Human Trisomy as a Chromosomal-Disorder Example A
Bio 1193 Griffith's Transformation Experiment (1928) A
Bio 1195 Avery, MacLeod, and McCarty (1944) A
Bio 1197 Hershey and Chase's Blender Experiment (1952) A
Bio 1199 Franklin and Gosling's X-Ray Diffraction (1953) A
Bio 1201 Watson and Crick's Double-Helix Model (1953) A
Bio 1203 The Nucleotide A
Bio 1205 Complementary Base Pairing A
Bio 1207 Antiparallel Strand Orientation A
Bio 1209 The Double Helix's Overall Structure A
Bio 1211 Meselson and Stahl's Semiconservative-Replication Experiment (1958) A
Bio 1213 "DNA Replication Keeps One Whole Original Helix Intact" A
Bio 1215 Origins of Replication A
Bio 1217 Helicase A
Bio 1219 Primase and the RNA Primer A
Bio 1221 DNA Polymerase's 5'-to-3' Directionality A
Bio 1223 The Leading Strand A
Bio 1225 The Lagging Strand and Okazaki Fragments A
Bio 1227 DNA Ligase A
Bio 1229 Tracing One Replication Fork from Origin to Ligation P
Bio 1231 Prokaryotic Replication's Single Circular Origin A
Bio 1233 Eukaryotic Replication's Multiple Origins and Polymerases A
Bio 1235 Telomeres and the End-Replication Problem A
Bio 1237 Telomerase A
Bio 1239 DNA Polymerase Proofreading A
Bio 1241 Mismatch Repair A
Bio 1243 Nucleotide Excision Repair A
Bio 1245 Tracing DNA from Structure Through Replication and Repair C
Bio 1247 The Central Dogma A
Bio 1249 The Genetic Code's Triplet Codons A
Bio 1251 Codon Degeneracy A
Bio 1253 The Wobble Hypothesis A
Bio 1255 The Reading Frame A
Bio 1257 Start and Stop Codons A
Bio 1259 Prokaryotic RNA Polymerase and the Promoter A
Bio 1261 Sigma Factor A
Bio 1263 Prokaryotic Transcription Elongation and Termination A
Bio 1265 Eukaryotic RNA Polymerases I, II, and III A
Bio 1267 The Eukaryotic Promoter: the TATA Box A
Bio 1269 Eukaryotic Transcription Factors Assembling the Initiation Complex A
Bio 1271 The 5' Cap A
Bio 1273 The Poly-A Tail A
Bio 1275 Introns and Exons A
Bio 1277 Splicing and the Spliceosome A
Bio 1279 The 5' and 3' Untranslated Regions A
Bio 1281 Tracing Pre-mRNA Processing from Transcription to a Mature mRNA P
Bio 1283 Ribosome Structure: Large and Small Subunits A
Bio 1285 The Ribosome's A, P, and E Sites A
Bio 1287 tRNA Structure and the Anticodon A
Bio 1289 Translation Initiation A
Bio 1291 Translation Elongation A
Bio 1293 Translation Termination A
Bio 1295 Tracing One Gene from Transcription Through a Finished Protein C
Bio 1297 Point Mutations: Silent A
Bio 1299 Point Mutations: Missense A
Bio 1301 Point Mutations: Nonsense A
Bio 1303 Frameshift Mutations A
Bio 1305 "A DNA Mutation Is Always Harmful" A
Bio 1307 Trinucleotide Repeat Expansions A
Bio 1309 Causes of Mutation A
Bio 1311 Levels of Gene-Expression Regulation, Overview A
Bio 1313 Operon Structure A
Bio 1315 The trp Operon: Repressible, Negative Regulation A
Bio 1317 The lac Operon: Inducible Regulation A
Bio 1319 Chromatin Packing as Gene Regulation A
Bio 1321 Histone Modification A
Bio 1323 DNA Methylation A
Bio 1325 The Central Dogma's One-Way Information Flow, Restated A
Bio 1327 "Traits Acquired in Life Are Inherited" A
Bio 1329 Eukaryotic Transcription Factors and Enhancers A
Bio 1331 Post-Transcriptional Regulation: Alternative Splicing A
Bio 1333 Translational Regulation A
Bio 1334 Post-Translational Regulation A
Bio 1335 Gene Expression Is Regulated, Not Automatic A
Bio 1337 "Genes Are Blueprints Executed Literally" A
Bio 1339 Proto-Oncogenes and Oncogenes, Extended A
Bio 1341 Tumor Suppressor Genes, Extended A
Bio 1343 Tracing a Regulatory Failure from Mutated Gene to Unchecked Cell Division C
Bio 1521 Genomics Defined A
Bio 1523 Gel Electrophoresis A
Bio 1525 PCR: Amplifying a Target DNA Sequence A
Bio 1527 RT-PCR: Amplifying from an RNA Template A
Bio 1529 Southern and Northern Blotting A
Bio 1531 Restriction Endonucleases and Sticky Ends A
Bio 1533 The Plasmid Vector A
Bio 1535 Constructing a Recombinant Plasmid P
Bio 1537 Recombinant Proteins A
Bio 1539 Cellular Cloning A
Bio 1541 Reproductive Cloning and Somatic Cell Nuclear Transfer A
Bio 1543 "A Clone Is a Perfect Identical Copy" A
Bio 1545 Genetic Engineering and Transgenic Organisms A
Bio 1547 Gene Targeting and Reverse Genetics A
Bio 1549 Recombinant Protein Production in Medicine A
Bio 1551 Agrobacterium-Mediated Plant Transformation A
Bio 1553 Bt Toxin as an Organic Insecticide A
Bio 1555 Genetic Testing A
Bio 1557 Gene Therapy A
Bio 1559 The Physical Map A
Bio 1561 Genetic Markers: RFLP, VNTR, and SNP A
Bio 1563 Physical Mapping Methods: Cytogenetic, Radiation Hybrid, and Sequence Mapping A
Bio 1565 Sequence-Tagged Sites A
Bio 1567 Integrating Genetic and Physical Maps A
Bio 1569 Sanger Chain-Termination Sequencing A
Bio 1571 Shotgun Sequencing and Contigs A
Bio 1573 Pairwise-End Sequencing A
Bio 1575 Next-Generation Sequencing's Parallel Structure A
Bio 1577 Whole-Genome versus Whole-Exome Sequencing A
Bio 1579 Tracing Fragments to an Assembled, Annotated Genome Sequence P
Bio 1581 Sequence Alignment and BLAST A
Bio 1583 Polygenic Disease Risk from Genome Analysis A
Bio 1585 "A Genetic Risk Result Is a Diagnosis" A
Bio 1587 Pharmacogenomics A
Bio 1589 Metagenomics A
Bio 1591 Mitochondrial Genomics A
Bio 1593 Genomics in Agriculture A
Bio 1595 The Proteome A
Bio 1597 "The Genome Fully Predicts the Proteome" A
Bio 1599 Techniques for Protein Analysis A
Bio 1601 Systems Biology A
Bio 1603 Metabolomics A
Bio 1605 Tracing a Trait from a Sequenced Gene to Proteome-Level Function C
Bio 1641 Evolution Defined as Change in Allele Frequency A
Bio 1643 Natural Selection Defined A
Bio 1645 Darwin, Wallace, and the Path to 1859 A
Bio 1647 Three Premises of Natural Selection A
Bio 1649 Descent with Modification A
Bio 1651 "Evolution Is Only a Theory" A
Bio 1653 Scientific Theory, the Locked Term Reinforced A
Bio 1655 Adaptation Defined A
Bio 1657 Convergent and Divergent Evolution A
Bio 1659 Homologous Structures A
Bio 1661 Vestigial Structures A
Bio 1663 Analogous Structures and Homoplasy A
Bio 1665 Fossil Evidence for Evolution A
Bio 1667 Comparative Embryology as Evidence A
Bio 1669 Biogeography as Evidence A
Bio 1671 Molecular Evidence: DNA Universality A
Bio 1673 Genetic Variation from Mutation and Sexual Reproduction A
Bio 1675 Neutral, Beneficial, and Deleterious Mutations A
Bio 1677 "Organisms Evolve Because They Need To" A
Bio 1679 Variation Precedes Selection A
Bio 1681 "Humans Evolved from Monkeys" A
Bio 1683 Common Ancestry, Not Common Descendant A
Bio 1685 The Biological Species Concept A
Bio 1687 Limits of the Biological Species Concept and Alternative Concepts A
Bio 1689 The Gene Pool and Reproductive Isolation A
Bio 1691 Speciation Defined A
Bio 1693 Allopatric Speciation: Dispersal and Vicariance A
Bio 1695 Adaptive Radiation A
Bio 1697 Sympatric Speciation, Overview A
Bio 1699 Polyploidy A
Bio 1701 Autopolyploidy A
Bio 1703 Alloploidy A
Bio 1705 Nondisjunction as a Route to Polyploid Speciation A
Bio 1707 Habitat and Behavioral Sympatric Speciation A
Bio 1709 Prezygotic Reproductive Isolation, Overview A
Bio 1711 Temporal Isolation A
Bio 1713 Habitat Isolation A
Bio 1715 Behavioral Isolation A
Bio 1717 Mechanical Isolation A
Bio 1719 Gametic Isolation A
Bio 1721 Postzygotic Reproductive Isolation, Overview A
Bio 1723 Hybrid Inviability and Hybrid Sterility A
Bio 1725 Hybrid Breakdown A
Bio 1727 Hybrid Zones A
Bio 1729 Reinforcement, Fusion, and Stability A
Bio 1731 Gradual Speciation and Punctuated Equilibrium A
Bio 1733 Tracing One Allopatric Speciation Event P
Bio 1735 The Modern Synthesis A
Bio 1737 Population Genetics Defined A
Bio 1739 Allele Frequency A
Bio 1741 Hardy-Weinberg Equilibrium A
Bio 1743 Hardy-Weinberg's Five Assumptions A
Bio 1745 The Hardy-Weinberg Equations A
Bio 1747 Solving a Hardy-Weinberg Calculation P
Bio 1749 Polymorphism A
Bio 1751 Heritability of Phenotypic Variation and Environmental Variation A
Bio 1753 "Acquired Traits Are Inherited" A
Bio 1755 Only Germline Variation Is Heritable A
Bio 1757 Genetic Drift A
Bio 1759 The Founder Effect A
Bio 1761 The Bottleneck Effect A
Bio 1763 Gene Flow and Clines A
Bio 1765 Mutation as an Evolutionary Force, Population-Level A
Bio 1767 Nonrandom Mating A
Bio 1769 Fitness and Relative Fitness A
Bio 1771 Stabilizing Selection A
Bio 1773 Directional Selection A
Bio 1775 Disruptive (Diversifying) Selection A
Bio 1777 Frequency-Dependent Selection A
Bio 1779 Sexual Selection and Sexual Dimorphism A
Bio 1781 The Handicap Principle and the Good Genes Hypothesis A
Bio 1783 Selection's Limits: No Perfect Organism, Not All Evolution Adaptive A
Bio 1785 Tracing a Population's Adaptive Evolution from Mutation Through Fixation C
Bio 1787 Phylogeny Defined A
Bio 1789 The Phylogenetic Tree as Hypothesis A
Bio 1791 Rooted and Unrooted Trees A
Bio 1793 Branch Points, Basal Taxa, Sister Taxa, and Polytomy A
Bio 1795 Branch Length Does Not Default to Encoding Time A
Bio 1797 The Linnaean Taxonomic Hierarchy A
Bio 1799 Binomial Nomenclature A
Bio 1801 Homology and Analogy, Applied to Phylogenetics A
Bio 1803 Molecular Systematics A
Bio 1805 Cladistics and Clades A
Bio 1807 Monophyletic, Paraphyletic, and Polyphyletic Groups A
Bio 1809 Shared Ancestral and Shared Derived Characters A
Bio 1811 Maximum Parsimony A
Bio 1813 Building a Phylogenetic Tree from Shared Derived Characters P
Bio 1815 Horizontal Gene Transfer, Defined A
Bio 1817 HGT Mechanisms in Prokaryotes A
Bio 1819 HGT in Eukaryotes A
Bio 1821 Endosymbiosis, Revisited as Genome Fusion A
Bio 1823 Competing Hypotheses for the Eukaryotic Nucleus's Origin A
Bio 1825 The Web and Ring Models of Life A
Bio 1827 Tracing Common-Descent Evidence Across One Clade C
Bio 1829 Prebiotic Earth Conditions and Abiotic Synthesis A
Bio 1831 The Miller-Urey Experiment A
Bio 1833 The RNA World Hypothesis A
Bio 1901 Virion Structure: Genome, Capsid, and Envelope A
Bio 1903 Four Capsid Shape Classes A
Bio 1905 Viral Receptors and Host Specificity A
Bio 1907 Viral Genome Types: DNA and RNA A
Bio 1909 The Baltimore Classification Logic A
Bio 1911 Baltimore Groups I–III A
Bio 1913 Baltimore Groups IV–VII and Retroviruses A
Bio 1915 Three Hypotheses for Viral Origin A
Bio 1917 "A Virus Is a Living Organism" A
Bio 1919 Whether a Virus Is Alive, Revisited A
Bio 1921 Steps of Viral Replication, Overview A
Bio 1923 The Lytic Cycle A
Bio 1925 The Lysogenic Cycle and Latency A
Bio 1927 Plant Virus Transmission A
Bio 1929 Animal Virus Entry and Exit A
Bio 1931 Oncogenic Viruses A
Bio 1933 Vaccines: Mechanism of Protection A
Bio 1935 Antiviral Drug Mechanism A
Bio 1937 Combination Therapy Against a Fast-Mutating Virus A
Bio 1938 Subviral Agents: Prions and Viroids A
Bio 1939 Tracing a Viral Infection from Attachment Through Immune Clearance and Treatment C
Bio 1941 Prokaryotic Cell Structure, Reused and Extended A
Bio 1943 Three Prokaryotic Cell Shapes A
Bio 1945 Bacteria versus Archaea: Membrane Lipid Differences A
Bio 1947 The Peptidoglycan Cell Wall and the Gram Stain A
Bio 1949 Gram-Positive versus Gram-Negative Wall Structure A
Bio 1951 Archaeal Cell Walls A
Bio 1953 Species Delimitation: Ribosomal RNA Sequencing A
Bio 1955 Binary Fission and Horizontal Gene Transfer, Reused A
Bio 1957 The Four Prokaryotic Nutritional Categories A
Bio 1959 Prokaryotes and the Carbon Cycle A
Bio 1961 Prokaryotes and the Nitrogen Cycle A
Bio 1963 Extremophiles and Biofilms A
Bio 1965 Bacterial Disease Mechanism, Overview A
Bio 1967 Antibiotic Resistance Mechanism A
Bio 1969 Nitrogen-Fixation Mutualism A
Bio 1971 The Human Microbiome A
Bio 1973 "Germs Are All Bad" A
Bio 1975 Beneficial Prokaryotes, Correctly Weighted A
Bio 1977 Bioremediation A
Bio 1979 Classifying a Prokaryote by Its Nutritional Category P
Bio 1981 "Protist" as a Paraphyletic Wastebasket Grouping A
Bio 1983 Eukaryotic Characteristics of the Last Common Ancestor A
Bio 1985 Endosymbiosis Among Protists, Revisited A
Bio 1987 Secondary Endosymbiosis A
Bio 1989 Protist Cell Structure and Metabolic Diversity A
Bio 1991 Protist Motility A
Bio 1993 Protist Life Cycles A
Bio 1995 The Five-Supergroup Classification Criterion A
Bio 1997 Archaeplastida A
Bio 1999 Amoebozoa and Slime Molds A
Bio 2001 Opisthokonta and Choanoflagellates A
Bio 2003 The SAR Supergroup: Stramenopiles, Alveolates, and Rhizaria A
Bio 2005 Alveolates: Dinoflagellates and Ciliates A
Bio 2007 Apicomplexans and Malaria Mechanism A
Bio 2009 Stramenopiles: Diatoms and Brown Algae A
Bio 2011 Rhizaria: Forams and Radiolarians A
Bio 2013 Excavata A
Bio 2015 Excavate Parasites: Giardia and Trypanosomes A
Bio 2017 Protist Ecology: Producers, Decomposers, and Symbionts A
Bio 2019 Classifying an Unfamiliar Protist by Supergroup-Defining Criteria P
Bio 2021 Tracing a Protist Lineage's Endosymbiotic Origin and Ecological Role C
Bio 2023 Fungal Characteristics: Heterotrophic Absorption and the Chitin Wall A
Bio 2025 Hyphae and Mycelium A
Bio 2027 Septate versus Coenocytic Hyphae A
Bio 2029 Yeast: The Unicellular Fungal Form A
Bio 2031 Asexual Fungal Reproduction A
Bio 2033 Sexual Fungal Reproduction: Plasmogamy, Karyogamy, and Meiosis A
Bio 2035 Fungal Classification: Reproductive Structure as the Criterion A
Bio 2037 Chytridiomycota A
Bio 2039 Zygomycota A
Bio 2041 Glomeromycota A
Bio 2043 Ascomycota A
Bio 2045 Basidiomycota A
Bio 2047 "Mold and Mushroom Are Unrelated Organisms" A
Bio 2049 Growth Form versus Taxonomic Group A
Bio 2051 Fungal Ecology: Decomposers and Nutrient Cycling A
Bio 2053 Mycorrhizae Mechanism A
Bio 2055 Lichens A
Bio 2057 Fungal Plant Pathogens A
Bio 2059 Fungal Human Pathogens: Mycosis Categories A
Bio 2061 Antifungal Treatment Difficulty A
Bio 2063 Fermentation and Food Uses of Fungi A
Bio 2065 Fungi as Medical Compound Sources A
Bio 2067 Fungi as Genetic Model Organisms A
Bio 2069 Tracing a Mycorrhizal Symbiosis from Colonization Through Ecosystem Effect C
Bio 2161 Land Plant Origin Among the Charophyte Green Algae A
Bio 2163 Four Adaptations for Life on Land A
Bio 2165 The Haplodiplontic Life Cycle in Land Plants A
Bio 2167 "Seaweed Is a Plant" A
Bio 2169 Algae versus Land Plants, the Defining Line A
Bio 2171 Bryophyte Defining Traits: Nonvascular, Gametophyte-Dominant A
Bio 2173 Bryophyte Diversity: Liverworts, Mosses, and Hornworts A
Bio 2175 Moss Life Cycle, Worked P
Bio 2177 Seedless Vascular Plant Traits: Vascular Tissue, Sporophyte Dominance A
Bio 2179 Lycophytes versus Monilophytes A
Bio 2181 Homospory versus Heterospory A
Bio 2183 Carboniferous Coal Forests A
Bio 2185 Seed Evolution: Three Key Innovations A
Bio 2187 Advantages of a Seed over a Spore A
Bio 2189 Gymnosperm Defining Trait: the Naked Seed A
Bio 2191 Four Gymnosperm Phyla A
Bio 2193 Conifer Life Cycle Basics A
Bio 2195 Angiosperm Defining Traits: Flower and Fruit A
Bio 2197 Flower Structure A
Bio 2199 Double Fertilization Mechanism A
Bio 2201 Monocots versus Eudicots A
Bio 2203 Angiosperm-Pollinator Coevolution A
Bio 2205 Fruit Types and Seed Dispersal A
Bio 2207 Ecological and Economic Role of Seed Plants A
Bio 2209 Classifying a Plant Sample by Vascular, Seed, and Flower Criteria P
Bio 2211 Tracing One Lineage from Charophyte Ancestor to Angiosperm Flower C
Bio 2213 Animal Kingdom Defining Features A
Bio 2215 Embryonic Development: Blastula and Gastrulation A
Bio 2217 Diploblastic versus Triploblastic Body Plans A
Bio 2219 Body Symmetry: Asymmetry, Radial, Bilateral A
Bio 2221 Cephalization A
Bio 2223 Coelom Types: Acoelomate, Pseudocoelomate, Coelomate A
Bio 2225 Protostome versus Deuterostome Development A
Bio 2227 "Plants Are Simpler Than Animals" A
Bio 2229 Evolutionary Complexity Has No Direction A
Bio 2231 Animal Phylogeny as Evidence-Based and Revisable A
Bio 2233 Sponges' Contested Position at the Animal Root A
Bio 2235 The Cambrian Explosion A
Bio 2237 Phylum Porifera: Body Structure without True Tissues A
Bio 2239 "Sponges Aren't Really Animals" A
Bio 2241 Choanocytes and Positive Evidence for Sponge Ancestry A
Bio 2243 Cnidarian Body Plan: Polyp and Medusa A
Bio 2245 Cnidocytes and Nematocysts A
Bio 2247 Four Cnidarian Classes A
Bio 2249 Lophotrochozoa Defined A
Bio 2251 Phylum Platyhelminthes: Flatworms A
Bio 2253 Phylum Rotifera A
Bio 2255 Phylum Nemertea: Ribbon Worms A
Bio 2257 Mollusk Body Plan: Foot, Mantle, Visceral Mass A
Bio 2259 Three Major Mollusk Classes A
Bio 2261 Annelid Segmentation A
Bio 2263 Ecdysozoa Defined: the Molting Cuticle A
Bio 2265 Phylum Nematoda A
Bio 2267 Phylum Tardigrada A
Bio 2269 Arthropod Defining Traits A
Bio 2271 Four Arthropod Subphyla A
Bio 2273 "An Insect and a Spider Are Both Bugs" A
Bio 2275 Insects versus Arachnids, Structurally Distinguished A
Bio 2277 Deuterostomia Defined A
Bio 2279 Echinoderm Body Plan: Water Vascular System A
Bio 2281 Phylum Hemichordata A
Bio 2283 Classifying an Unfamiliar Invertebrate by Body-Plan Criteria P
Bio 2285 Tracing the Protostome-Deuterostome Branch Point C
Bio 2287 Chordate Defining Traits A
Bio 2289 Subphylum Vertebrata: the Vertebral Column A
Bio 2291 Jawless versus Jawed Fishes A
Bio 2293 Cartilaginous versus Bony Fishes A
Bio 2295 Amphibian Traits: Dual Life and Permeable Skin A
Bio 2297 Reptile Traits: the Amniotic Egg A
Bio 2299 Birds as a Clade Nested within Reptilia A
Bio 2301 Bird Flight Adaptations A
Bio 2303 Mammal Traits: Hair and Mammary Glands A
Bio 2305 Three Living Mammal Clades A
Bio 2307 Primate Traits A
Bio 2309 Human Lineage: Hominins, Not a Line A
Bio 2311 "Humans Are the Most Evolved Animal" A
Bio 2313 Evolution Has No Endpoint or Direction A
Bio 2315 Tracing Tetrapod Evolution from Lobe-Finned Fish to Amniotes C
Bio 2501 Plant Organ Systems: Shoot and Root A
Bio 2503 Meristematic versus Permanent Tissue A
Bio 2505 Three Meristem Locations: Apical, Lateral, Intercalary A
Bio 2507 Dermal, Vascular, and Ground Tissue A
Bio 2509 Simple versus Complex Tissue: Xylem and Phloem A
Bio 2511 Stem Anatomy: Parenchyma, Collenchyma, Sclerenchyma A
Bio 2513 Primary Growth: Apical Meristem Elongation A
Bio 2515 "A Tree Grows Taller by Pushing Up From the Base" A
Bio 2517 Why a Nail in a Trunk Never Rises A
Bio 2519 Apical Dominance A
Bio 2521 Secondary Growth: Vascular Cambium and Cork Cambium A
Bio 2523 Annual Rings A
Bio 2525 Stem Modifications A
Bio 2527 Taproot versus Fibrous Root Systems A
Bio 2529 Root Growth Zones A
Bio 2531 Root Anatomy: Endodermis and Casparian Strip A
Bio 2533 Root Modifications A
Bio 2535 Leaf Structure: Mesophyll, Stomata, Veins A
Bio 2537 Simple versus Compound Leaves A
Bio 2539 Leaf Arrangement: Phyllotaxy A
Bio 2541 Water Potential: Solute, Pressure, Gravity, Matric Components A
Bio 2543 Cohesion-Tension Theory of Sap Ascent A
Bio 2545 Transpiration and Stomatal Regulation A
Bio 2547 Translocation: Pressure-Flow in Phloem A
Bio 2549 Tracing Water and Photosynthate Transport, Worked P
Bio 2551 Phototropism: the Phytochrome and Blue-Light Systems A
Bio 2553 Photoperiodism A
Bio 2555 Gravitropism A
Bio 2557 Thigmotropism and Thigmonasty A
Bio 2559 Auxin A
Bio 2561 The Darwin and Boysen-Jensen Phototropism Experiments, Worked P
Bio 2563 Cytokinins A
Bio 2565 Gibberellins A
Bio 2567 Ethylene A
Bio 2569 Abscisic Acid A
Bio 2571 Tracing Apical Dominance Through Auxin-Cytokinin Balance, Worked Capstone C
Bio 2573 Essential Nutrients: Macronutrients and Micronutrients A
Bio 2575 Deficiency Symptoms as Diagnostic Method A
Bio 2577 Soil Composition: Four Major Components A
Bio 2579 Soil Horizons: O, A, B, C A
Bio 2581 "Plants Get Most of Their Mass From the Soil" A
Bio 2583 Photosynthesis Supplies a Plant's Mass, Not Soil A
Bio 2585 Nitrogen Fixation and the Legume-Rhizobia Symbiosis A
Bio 2587 Ectomycorrhizae and Endomycorrhizae A
Bio 2589 Parasitic Plants: Holoparasites and Hemiparasites A
Bio 2591 Carnivorous Plants as a Nutrient Adaptation A
Bio 2593 "Carnivorous Plants Eat Insects Instead of Photosynthesizing" A
Bio 2595 Insect Prey Supplements Nitrogen, Not Energy A
Bio 2597 Epiphytes A
Bio 2599 Classifying a Plant's Nutritional Strategy, Worked P
Bio 2601 Male Gametophyte Development: Microsporogenesis and the Pollen Grain A
Bio 2603 Female Gametophyte Development: Megasporogenesis and the Embryo Sac A
Bio 2605 Complete versus Incomplete Flowers A
Bio 2606 Monoecious versus Dioecious Species A
Bio 2607 Pollination Mechanisms and Pollinator Syndromes A
Bio 2609 Self-Pollination versus Cross-Pollination A
Bio 2611 Self-Incompatibility Mechanisms A
Bio 2613 "Self-Pollination and Asexual Reproduction Are the Same Thing" A
Bio 2615 Self-Pollination Still Requires Meiosis and Fertilization A
Bio 2617 Double Fertilization Detail: Endosperm and Seed Coat Development A
Bio 2619 Seed Structure and Monocot/Dicot Storage Strategy A
Bio 2621 Seed Dormancy and Germination Cues A
Bio 2623 Fruit Types Revisited: Simple, Aggregate, Multiple, Accessory A
Bio 2625 Asexual/Vegetative Reproduction: Natural Methods A
Bio 2627 Asexual/Vegetative Reproduction: Artificial Methods A
Bio 2629 Evolutionary Tradeoffs: Sexual versus Asexual Reproduction A
Bio 2631 Plant Life Spans and Flowering Frequency A
Bio 2633 Tracing a Flower From Pollination to Seed Dispersal, Worked Capstone C
Bio 2721 Body Plans and the Symmetry Constraint A
Bio 2723 Body Planes A
Bio 2724 Body Cavities: Dorsal and Ventral A
Bio 2725 Exoskeleton and Endoskeleton Size Limits A
Bio 2727 Surface-to-Volume Ratio Limits Size A
Bio 2729 Endotherms and Ectotherms A
Bio 2731 Metabolic Rate: BMR and SMR A
Bio 2733 Torpor, Hibernation, and Estivation A
Bio 2735 Four Primary Animal Tissue Types A
Bio 2737 Epithelial Tissue: Simple and Stratified A
Bio 2739 Connective Tissue: Matrix and Fiber Types A
Bio 2741 Bone Remodeling: Osteoblasts, Osteocytes, Osteoclasts A
Bio 2743 Three Muscle Tissue Types A
Bio 2745 Nervous Tissue: Neurons and Glia, Introduced A
Bio 2747 The Set Point and Feedback Control A
Bio 2749 Negative Feedback Loop A
Bio 2751 Positive Feedback Loop A
Bio 2753 "Positive Feedback Means Something Has Gone Wrong" A
Bio 2755 Positive Feedback Is Self-Limiting by Design A
Bio 2757 Thermoregulation: Four Heat-Exchange Mechanisms A
Bio 2758 Thermoregulatory Responses: Insulation, Vasodilation, Vasoconstriction, Behavior A
Bio 2759 Classifying an Animal's Thermoregulatory Strategy, Worked P
Bio 2763 Herbivore, Carnivore, Omnivore Diet Classification A
Bio 2765 Gastrovascular Cavity versus Alimentary Canal A
Bio 2767 Monogastric versus Ruminant Digestive Systems A
Bio 2769 Avian Digestive Adaptations A
Bio 2771 Oral Cavity: Mastication and Salivary Enzymes A
Bio 2773 Esophagus and Peristalsis A
Bio 2775 Stomach: Acid Environment and Pepsin A
Bio 2777 Small Intestine: Villi and Microvilli A
Bio 2779 Duodenum, Jejunum, Ileum A
Bio 2781 Large Intestine: Water Reabsorption A
Bio 2783 Accessory Organs: Liver, Pancreas, Gallbladder A
Bio 2785 Essential Nutrients A
Bio 2787 Macronutrient Caloric Density A
Bio 2789 Four-Step Nutritional Process: Ingestion to Elimination A
Bio 2791 Carbohydrate Digestion A
Bio 2793 Protein Digestion A
Bio 2795 Lipid Digestion: Emulsification A
Bio 2797 Glycogen Storage and Mobilization A
Bio 2799 Neural Control: Three Digestive Phases A
Bio 2801 Hormonal Control: Gastrin, Secretin, CCK A
Bio 2803 "Skipping a Meal Immediately Starves the Body" A
Bio 2805 Glycogen Reserves Buffer Short-Term Fasting A
Bio 2807 Obesity as an Energy-Balance Imbalance A
Bio 2809 Eating Disorders as Disrupted Energy-Intake Regulation A
Bio 2811 Tracing a Meal Through the Digestive Tract, Worked C
Bio 2815 Neuron Structure: Dendrites, Soma, Axon A
Bio 2817 Four Neuron Types A
Bio 2819 Glial Cell Types A
Bio 2821 Resting Membrane Potential A
Bio 2823 Action Potential A
Bio 2825 Myelin and Saltatory Conduction A
Bio 2827 Chemical Synapse: Neurotransmitter Release A
Bio 2829 Electrical Synapse: Gap Junctions A
Bio 2831 EPSP, IPSP, and Summation A
Bio 2833 Long-Term Potentiation and Long-Term Depression A
Bio 2835 "Addiction Is a Failure of Willpower" A
Bio 2837 Addiction as Hijacked Synaptic Plasticity A
Bio 2839 Meninges and Cerebrospinal Fluid A
Bio 2841 Cerebral Cortex: Hemispheres and Lobes A
Bio 2843 Frontal, Parietal, Occipital, Temporal Lobe Functions A
Bio 2845 Basal Ganglia, Thalamus, and Hypothalamus A
Bio 2847 Limbic System and the Amygdala A
Bio 2849 Cerebellum and Brainstem A
Bio 2851 Spinal Cord: Gray and White Matter A
Bio 2853 The Spinal Reflex Arc A
Bio 2855 Autonomic Nervous System: Two-Synapse Relay A
Bio 2857 Sympathetic Nervous System A
Bio 2859 Parasympathetic Nervous System A
Bio 2861 Sensory-Somatic Nervous System A
Bio 2863 Neurodegenerative Disorders as Neuron Loss A
Bio 2865 Neurodevelopmental Disorders as Atypical Wiring A
Bio 2867 Tracing a Reflex Arc Signal Path, Worked P
Bio 2871 Sensory Transduction A
Bio 2873 Receptive Field and Receptor Specificity A
Bio 2875 Sensation versus Perception A
Bio 2877 Stimulus Intensity Encoding A
Bio 2879 Somatosensory Mechanoreceptors A
Bio 2881 Two-Point Discrimination and Receptor Density A
Bio 2883 Thermoreception A
Bio 2885 Nociception and the Subjectivity of Pain A
Bio 2887 Taste: Five Primary Tastants A
Bio 2889 Olfaction: Receptor Diversity and Odor Coding A
Bio 2891 "Humans Have Only Five Senses" A
Bio 2893 Somatosensation Splits Into Several Distinct Modalities A
Bio 2895 Sound Wave Properties: Frequency and Amplitude A
Bio 2897 Outer and Middle Ear: Ossicle Amplification A
Bio 2899 Cochlea and the Organ of Corti A
Bio 2901 Place Theory of Pitch Perception A
Bio 2903 Vestibular System: Utricle, Saccule, Semicircular Canals A
Bio 2905 Eye Anatomy: Cornea, Lens, Iris A
Bio 2907 Rods versus Cones A
Bio 2909 Phototransduction: Rhodopsin and Hyperpolarization A
Bio 2911 Trichromatic Color Coding A
Bio 2913 Retinal Processing: Lateral Inhibition A
Bio 2915 Tracing a Sound Wave From Air to Auditory Cortex, Worked P
Bio 2919 Three Hormone Chemical Classes A
Bio 2921 Lipid-Soluble versus Water-Soluble Receptor Location A
Bio 2923 Intracellular Hormone Receptors and Gene Transcription A
Bio 2925 Plasma Membrane Receptors and cAMP Second Messenger A
Bio 2927 "Hormones and Neurotransmitters Are Entirely Different Things" A
Bio 2929 One Molecule Can Signal as Both Hormone and Neurotransmitter A
Bio 2931 Hypothalamic-Pituitary Axis A
Bio 2933 Anterior versus Posterior Pituitary A
Bio 2935 ADH and Water Balance A
Bio 2937 Aldosterone and the Renin-Angiotensin-Aldosterone System A
Bio 2939 Thyroid Hormones and Metabolic Rate A
Bio 2941 Parathyroid Hormone and Calcitonin: Opposing Calcium Control A
Bio 2943 Insulin and Glucagon: Opposing Glucose Control A
Bio 2945 Growth Hormone: Direct and Indirect Mechanisms A
Bio 2947 Adrenal Cortex versus Adrenal Medulla A
Bio 2949 Short-Term versus Long-Term Stress Response A
Bio 2951 Negative Feedback in Hormone Regulation A
Bio 2953 Three Stimuli Triggering Hormone Release A
Bio 2955 Gonadal Hormones and Reproductive Regulation A
Bio 2957 "Steroid Hormones Are Only a Bodybuilding Drug" A
Bio 2959 Anabolic Steroids Disrupt the Body's Own Endocrine Feedback A
Bio 2961 Endocrine Glands With Secondary Function A
Bio 2963 Tracing the Hypothalamic-Pituitary-Thyroid Feedback Loop, Worked P
Bio 2965 Tracing a Stress Response From Stimulus to Hormone Cascade, Worked Capstone C
Bio 3081 Hydrostatic Skeleton Mechanism A
Bio 3083 Exoskeleton Structure and Molting A
Bio 3085 Endoskeleton Structure Overview A
Bio 3087 Axial Skeleton A
Bio 3089 Appendicular Skeleton A
Bio 3091 Bone Classification by Shape A
Bio 3093 Compact versus Spongy Bone A
Bio 3095 Bone Marrow: Red and Yellow A
Bio 3097 Bone Growth: Ossification and the Epiphyseal Plate A
Bio 3099 Cartilage Types A
Bio 3101 Tendons versus Ligaments A
Bio 3103 Fibrous Joints A
Bio 3105 Cartilaginous Joints A
Bio 3107 Synovial Joints and Synovial Fluid A
Bio 3109 Synovial Movement Types A
Bio 3111 Skeletal Muscle Organization: Fascicle to Sarcomere A
Bio 3113 Sarcomere Structure A
Bio 3115 Sliding Filament Mechanism A
Bio 3117 Neuromuscular Junction and Excitation-Contraction Coupling A
Bio 3119 Calcium, Troponin, and Tropomyosin A
Bio 3121 ATP's Three Roles in Muscle Contraction A
Bio 3123 Slow-Twitch and Fast-Twitch Muscle Fibers A
Bio 3125 "Muscles Only Pull, Never Push" A
Bio 3127 Antagonistic Muscle Pairs Produce Both Directions of Movement A
Bio 3131 Tracing a Single Muscle Contraction Cycle, Worked P
Bio 3141 Partial Pressure and the Diffusion Gradient A
Bio 3143 Gas Exchange Surface Requirements A
Bio 3145 Integumentary Gas Exchange A
Bio 3147 Gills and Countercurrent Exchange A
Bio 3149 Tracheal System in Insects A
Bio 3151 Mammalian Lung Structure A
Bio 3153 Avian Flow-Through Lungs and Air Sacs A
Bio 3155 Negative-Pressure Breathing Mechanics A
Bio 3157 Compliance and Resistance in the Lungs A
Bio 3159 V/Q Mismatch Mechanism A
Bio 3161 Hemoglobin Structure and Cooperative Binding A
Bio 3163 The Oxygen-Hemoglobin Dissociation Curve A
Bio 3165 The Bohr Effect A
Bio 3167 CO2 Transport: Bicarbonate and Carbaminohemoglobin A
Bio 3169 "Breathing Is Driven by Low Oxygen" A
Bio 3171 Rising CO2 and Falling pH Drive the Breathing Reflex A
Bio 3175 Tracing Gas Exchange Across the Pulmonary-Systemic Loop, Worked P
Bio 3185 Open versus Closed Circulatory Systems A
Bio 3187 Single versus Double Circulation A
Bio 3189 Blood Plasma Composition A
Bio 3191 Erythrocyte Structure and Function A
Bio 3193 Leukocyte Types, Introduced A
Bio 3195 Platelets and the Clotting Cascade A
Bio 3197 Heart Chambers and Valves A
Bio 3199 Cardiac Cycle: Systole and Diastole A
Bio 3201 SA Node and the Cardiac Conduction System A
Bio 3203 Artery Structure A
Bio 3205 Vein Structure A
Bio 3207 Capillary Structure and Exchange A
Bio 3209 "Arteries Carry Oxygenated Blood, Veins Carry Deoxygenated Blood" A
Bio 3211 Vessel Direction, Not Oxygen Content, Defines Artery and Vein A
Bio 3215 Baroreceptor Reflex and Blood Pressure Regulation A
Bio 3217 The Lymphatic System's Role Alongside Circulation A
Bio 3221 Tracing Blood Through Double Circulation, Worked P
Bio 3231 Osmoconformers versus Osmoregulators A
Bio 3233 Osmotic Balance Challenges by Habitat A
Bio 3235 Nephron Structure A
Bio 3237 Filtration, Reabsorption, Secretion: the Three-Step Mechanism A
Bio 3239 The Loop of Henle and the Countercurrent Multiplier A
Bio 3241 ADH and Aquaporin Insertion in the Collecting Duct A
Bio 3243 Excretory Organs Across Taxa: Flame Cells, Malpighian Tubules, Nephridia A
Bio 3245 Nitrogenous Waste Forms and Tradeoffs A
Bio 3249 Tracing Filtrate Through the Nephron, Worked P
Bio 3259 Innate Immunity: Physical and Chemical Barriers A
Bio 3261 Phagocytes: Neutrophils and Macrophages A
Bio 3263 Inflammation Mechanism A
Bio 3265 Fever as a Systemic Innate Response A
Bio 3267 The Complement System A
Bio 3269 Interferons and Viral Defense A
Bio 3271 Natural Killer Cells A
Bio 3273 Adaptive Immunity: Humoral versus Cell-Mediated A
Bio 3275 Antigen Specificity and Receptor Diversity A
Bio 3277 B Cell Activation and Clonal Selection A
Bio 3279 T Cell Types: Helper and Cytotoxic A
Bio 3281 MHC Class I and II Antigen Presentation A
Bio 3283 Antibody Structure A
Bio 3285 Antibody Classes and Functions A
Bio 3287 Immunological Memory A
Bio 3289 "Vaccines Give You the Disease" A
Bio 3291 A Vaccine Trains Memory Without Causing Disease A
Bio 3295 "Antibiotics Work on Viruses" A
Bio 3297 Antibiotics Target Bacterial Structures a Virus Lacks A
Bio 3301 Autoimmune Disease Mechanism A
Bio 3303 Immunodeficiency Mechanism A
Bio 3305 Hypersensitivity and Allergy Mechanism A
Bio 3307 Cancer Immune Evasion Mechanism A
Bio 3311 Tracing the Innate Response to a Skin Wound, Worked P
Bio 3321 Asexual Reproduction Methods A
Bio 3323 Sexual Reproduction's Genetic-Diversity Advantage A
Bio 3325 External versus Internal Fertilization A
Bio 3327 Oviparity, Ovoviviparity, Viviparity A
Bio 3329 Male Reproductive Anatomy A
Bio 3331 Female Reproductive Anatomy A
Bio 3333 Spermatogenesis Mechanism A
Bio 3335 Oogenesis Mechanism A
Bio 3337 The HPG Axis and Hormonal Control of Male Reproduction A
Bio 3339 Hormonal Control of the Menstrual Cycle A
Bio 3341 "Fertilization Takes Many Sperm to Break Through the Egg" A
Bio 3343 One Sperm Fertilizes the Egg; Polyspermy Is Actively Blocked A
Bio 3347 Placenta Structure and Function A
Bio 3349 Human Gestation: a Structural Mechanism A
Bio 3351 Hormonal Signaling for Labor A
Bio 3353 Cleavage and Blastula Formation A
Bio 3355 Gastrulation and the Three Germ Layers A
Bio 3357 Organogenesis Overview A
Bio 3359 Vertebrate Axis Formation A
Bio 3361 "Identical Twins Are 100% Genetically Identical" A
Bio 3363 Somatic Mutation Breaks Perfect Genetic Identity After Twinning A
Bio 3367 Tracing Fertilization Through Early Embryonic Development, Worked P
Bio 3369 Determination and Differentiation A
Bio 3371 Induction and Morphogen Gradients A
Bio 3373 Hox Genes and Body-Plan Specification A
Bio 3375 Stem Cell Potency A
Bio 3401 Tracing Fluid, Gas, and Waste Balance During Exercise, Worked Capstone C
Bio 3481 Ecology's Levels of Organization A
Bio 3483 Biogeography and Abiotic Distribution Factors A
Bio 3485 Endemic versus Generalist Species A
Bio 3489 Light and Nutrient Availability Across Habitats A
Bio 3491 Temperature as a Distribution Constraint A
Bio 3493 Biome Definition and Classification Basis A
Bio 3495 Desert and Tropical Wet Forest Contrast A
Bio 3497 Grassland and the Role of Fire Disturbance A
Bio 3499 Tundra and the Permafrost Constraint A
Bio 3501 Aquatic Biome Classification by Salinity and Zone A
Bio 3505 Classifying a Biome from Climate and Vegetation Data, Worked P
Bio 3521 The Greenhouse Effect Mechanism A
Bio 3523 How Atmospheric Greenhouse-Gas Concentration Is Measured A
Bio 3525 How Global Mean Temperature Change Is Measured and Reported A
Bio 3541 Population Size and Population Density A
Bio 3545 Quadrat and Mark-Recapture Sampling Methods A
Bio 3547 Uniform, Random, and Clumped Dispersion Patterns A
Bio 3549 Life Tables and Age-Specific Mortality A
Bio 3553 The Three Survivorship Curve Types A
Bio 3555 Life History Strategy Shaped by Natural Selection A
Bio 3557 Exponential Population Growth A
Bio 3559 Logistic Growth and Carrying Capacity A
Bio 3563 Density-Dependent Limiting Factors A
Bio 3565 Density-Independent Limiting Factors A
Bio 3569 Human Population Growth as a Case of the Same Models A
Bio 3573 Tracing a Population from Exponential Onset Through Logistic Leveling, Worked P
Bio 3591 Community Interactions: Competition A
Bio 3593 Predation and Herbivory A
Bio 3595 Symbiosis: Mutualism, Commensalism, and Parasitism A
Bio 3599 "Any Close Species Relationship Is Parasitic" A
Bio 3601 Fitness Outcome, Not Closeness Alone, Classifies a Symbiosis A
Bio 3605 Competitive Exclusion and the Ecological Niche A
Bio 3607 Resource Partitioning A
Bio 3609 Primary and Secondary Ecological Succession A
Bio 3613 Pioneer Species and Facilitation A
Bio 3615 Proximate versus Ultimate Causation in Behavior A
Bio 3617 Interpreting a Population Change Through Community Interactions, Worked P
Bio 3619 Innate Behavior and Fixed Action Patterns A
Bio 3621 Habituation A
Bio 3623 Imprinting A
Bio 3625 Classical Conditioning A
Bio 3627 Operant Conditioning A
Bio 3629 Foraging and Optimality A
Bio 3631 Communication and Pheromones A
Bio 3633 Mating Systems A
Bio 3635 Eusociality and Kin Selection A
Bio 3641 Trophic Levels and Food Chains A
Bio 3645 Food Webs versus Food Chains A
Bio 3649 Energy Flow and the Ten-Percent Rule A
Bio 3653 "Ecosystems Recycle Their Energy the Way They Recycle Matter" A
Bio 3655 Biogeochemical Cycling Applies to Matter, Not Energy A
Bio 3659 The Carbon Cycle A
Bio 3663 The Nitrogen Cycle A
Bio 3667 The Phosphorus Cycle A
Bio 3671 The Water Cycle A
Bio 3675 Tracing Energy Loss and Nutrient Cycling Through a Food Chain, Worked P
Bio 3677 Keystone Species A
Bio 3681 Defensive Adaptations and Mimicry A
Bio 3685 Character Displacement A
Bio 3689 Gross and Net Primary Productivity and Ecological Pyramids A
Bio 3693 Eutrophication and Acid Rain as Nutrient-Cycle Disruptions A
Bio 3701 Species Richness and Species Diversity A
Bio 3705 Background Extinction Rate versus Mass Extinction A
Bio 3709 How the IUCN Red List Classifies Extinction Risk A
Bio 3713 How an Extinction-Risk Assessment Is Constructed A
Bio 3717 Instrumental Value of Biodiversity A
Bio 3721 Intrinsic Value of Biodiversity A
Bio 3725 Applying Red List Criteria to Classify a Described Species, Worked P
Bio 3741 Habitat Loss and Fragmentation A
Bio 3745 Invasive Species A
Bio 3749 Overexploitation A
Bio 3753 Climate Change as a Biodiversity Threat A
Bio 3757 In Situ Conservation: Protected Areas A
Bio 3761 Ex Situ Conservation: Captive Breeding and Seed Banks A
Bio 3765 "An Extinct Species Can Be Fully Restored" A
Bio 3767 De-Extinction Restores Genome, Not the Original Ecological Context A
Bio 3771 Conservation Status Is a Reassessed Classification, Not a Fixed Fact A
Bio 3775 "A Species' Conservation Status Never Changes Once Assigned" A
Bio 3781 Applying Threat Categories and Conservation Strategy to a Described Case, Worked P
Bio 3891 Tracing a Species from Population Decline to Conservation Response, Worked Capstone C