When a muscle contracts anaerobically, more lactate accumulates than under aerob

Question

When a muscle contracts anaerobically, more lactate accumulates than under aerobic conditions, because * muscle is more metabolically active under anaerobic conditions glycolysis is a minor pathway under aerobic conditions most of the pyruvate formed under aerobic conditions is further oxidized through the citric acid cycle lactate formed under aerobic conditions is readily oxidized Which of the following applies to the reaction catalyzed by the pyruvate dehydrogenase complex? * The process is highly exergonic and essentially irreversible in vivo. It takes place in the mitochondrion. It is an oxidative decarboxylation. The product is acetyl Coenzyme A. All of the above. NAD+, coenzyme A, thiamine pyrophosphate, lipoid acid and FAD are all cofactors used in the reaction catalyzed by pyruvate dehydrogenase. * True False

Explanation / Answer

(9)

(C) Most of the pyruvate formed under aerobic condition is further oxidised through the ctric acid cycle.

(10) (E) all the fourr options are correct

(11) (A) TRUE

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