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Biology  /  Bio 3249  ·  Procedure · 60–90 seconds

Tracing Filtrate Through the Nephron, Worked

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This procedure traces one volume of blood plasma through a complete nephron cycle, drawing together this chapter's filtration, concentration, and hormonal atoms.

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Assuming urine concentration is fixed by filtration alone is the error here — the collecting duct's hormonally controlled permeability, not the initial filtration step, is what determines the final concentration.