Biology / Bio 0569 · Atom · ~20 seconds
Protein Catabolism Connects to Respiration
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An amino acid, once stripped of its amino group, can enter glycolysis or the citric acid cycle where its remaining carbon skeleton matches an existing intermediate.
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A cell breaking down excess protein removes each amino acid's amino group before feeding the carbon skeleton into these pathways.
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Only the carbon skeleton, not the whole amino acid, enters these pathways.