How many NADH molecules are produced on each turn of the citric acid cycle? a. one b. two c. three d. four

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN:9781305967359
Author:STARR
Publisher:STARR
Chapter7: Releasing Chemical Energy
Section: Chapter Questions
Problem 4SA: Which molecule does not form during glycolysis? a. NADH c. oxygen (O2) b. pyruvate d. ATP
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How many NADH molecules are produced on each turn
of the citric acid cycle?
a. one
b. two
c. three
d. four

Expert Solution
Step 1

The citric acid cycle is the central metabolic pathway of the cellular respiration process where acetyl CoA  produced from various metabolic pathways such as carbohydrates, fatty acid, and amino acids will generate electrons carriers from NADH and FADH2.

Step 2

Correct answer:

Citric acid produces three molecules of NADH from one round of the citric acid cycle. They are

          Biology homework question answer, step 2, image 1

          Biology homework question answer, step 2, image 2

      Biology homework question answer, step 2, image 3

Therefore the correct answer is option c. three

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