Question

The citric acid is a stage of catabolism that oxidizes acetate into carbon dioxide and generates energy. There are eight enzymes involved in the citric acid cycle.

Which enzymes produce NADH as a product? Select all that apply

a. alpha-ketoglutarate dehydrogenase

b. succinate dehydrogenase

c. malate dehydrogenase

d. isocitrate dehydrogenase

Which enzymes produce carbon dioxide as a product? Select all that apply.

a. malate dehydrogenase

b. isocitrate dehydrogenase

c. succinate dehydrogenase

d. alpha-ketoglutarate dehydrogenase

Which enzymes produce coenzyme A as a product? Select all that apply.

a. fumarase

b. citrate synthase

c. succinyl-CoA synthesase

d. citraste synthase

Which enzymes have an alpha-keto acid substrate? Select all that apply.

a. fumarase

b. alpha-ketoglutarate dehydrogenase

c. citrate synthase

d. malate dehydrogenase

Which enzyme catalyzes a hydration reaction?

a. aconitase

b. fumarase

c. citrate synthase