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

-______ is the first compound that is oxidized in 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 the first compound that is oxidized in 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

Isocitrate is the first compound that is oxidized in the citric acid cycle, before being converted to alpha-ketoglutarate by the enzyme isocitrate dehydrogenase.

Answer: A
 Oxaloacetate is the four-carbon compound that combines with acetyl-CoA to start the citric acid cycle.

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