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Course

Biochemistry

Study Pack

Set 9 Aerobic Metabolism I The Citric Acid Cycle

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Question 1

(Multiple Choice)

Free
Place the following reaction intermediates of the citric acid cycle in chronological order: i. malate, ii. fumarate, iii. succinyl-CoA, iv. citrate, v. α\alpha -ketoglutarate.

A) , i, ii, iv, v, iii
B) iv, v, iii, i, ii
C) iv, i, v, iii, ii
D) v, iii, i, ii, iv
E) iv, v, iii, ii, i

Answer

Question 2

(Multiple Choice)

Free
Oxalosuccinate is a transient intermediate formed during which of the following reactions?

A) Citrate →\rightarrow Isocitrate
B) Isocitrate →\rightarrow α\alpha -ketoglutarate
C) Pyruvate →\rightarrow Acetyl-CoA
D) Malate →\rightarrow Oxaloacetate
E) Succinyl CoA →\rightarrow Succinate

Answer

Question 3

(Multiple Choice)

Free
FADH2 is a product of which of the following reactions?

A) Pyruvate →\rightarrow Acetyl CoA
B) Malate →\rightarrow Oxaloacetate
C) Succinyl-CoA →\rightarrow Succinate
D) Succinate →\rightarrow Fumarate
E) Succinate →\rightarrow Malate

Answer