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AP Biology/Unit 2: Cell Structure and Function
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Mitochondrial Substrate Location and Function
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In an experiment, a student isolates intact mitochondria and measures oxygen consumption when different substrates are added. The student observes that oxygen consumption increases dramatically when substrate X is added directly to the intermembrane space but not when added to the matrix. Substrate X is MOST likely:

A

Succinate

B

Cytochrome c

C

NADH

D

Pyruvate

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