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AP Biology/Unit 3: Cellular Energetics
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Inhibition of FAD Regeneration
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A metabolic poison is introduced that specifically inhibits the oxidation of FADH2 to FAD. Which of the following describes the most immediate consequence of this inhibition on cellular respiration?

A

Increased rate of ATP synthesis via substrate-level phosphorylation

B

Decreased production of CO2 from pyruvate decarboxylation

C

Accumulation of reduced electron carriers in the mitochondria

D

Immediate cessation of glycolysis in the cytoplasm

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