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-______ is used in the first reaction of the citric acid cycle and regenerated upon completion of one turn of the citric acid cycle.
A) oxaloacetate
B) malate synthase
C) malate
D) malonate
E) Krebs
F) aconitase
G) succinyl-CoA synthetase
H) α-ketoglutarate
I) carbon dioxide
J) malate dehydrogenase
K) isocitrate
L) succinate dehydrogenase

Question

Matching
Choose the correct answer from the list.Not all the answers will be used.

-______ is used in the first reaction of the citric acid cycle and regenerated upon completion of one turn of the citric acid cycle.
A) oxaloacetate
B) malate synthase
C) malate
D) malonate
E) Krebs
F) aconitase
G) succinyl-CoA synthetase
H) α-ketoglutarate
I) carbon dioxide
J) malate dehydrogenase
K) isocitrate
L) succinate dehydrogenase

Quizplus · Accepted Answer

Oxaloacetate is used in the first reaction of the citric acid cycle and regenerated upon completion of one turn of the cycle.

Answer: K
 Isocitrate is an intermediate in the Krebs cycle.

Answer: J
 Malate dehydrogenase is an enzyme that catalyzes the conversion of malate to oxaloacetate in the final step of the citric acid cycle.

Answer: G
 Succinyl-CoA synthetase is an enzyme that catalyzes the conversion of succinyl-CoA to succinate in the citric acid cycle.

Matching Choose the Correct Answer from the List.Not All the Answers