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Which enzyme makes lactic acid in oxygen-starved muscle?
APyruvate dehydrogenase
BAlcohol dehydrogenase
CCitrate synthase
DLactate dehydrogenase
Answer & Solution
Correct answer: D. Lactate dehydrogenase
Lactate dehydrogenase uses NADH + H+ to reduce pyruvic acid to lactic acid and regenerates NAD+.
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