2017.01.13 CSCS Daily Study Question:
When energy demands are high and pyruvate molecules are converted to lactate by anaerobic glycolysis (aka “fast glycolysis”), which molecule is regenerated in the process so that glycolysis can continue?
(A) ADP
(B) ATP
(C) FADH
(D) NAD+
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Correct Answer:
(D) NAD+
Explanation:
NAD+ is used in the step of glycolysis between glyceraldehyde-3-phosphate and 1,3-bisphosphoglycerate. Anaerobic glycolysis regenerates NAD+ because an H+ from NADH is donated to pyruvate, which becomes lactate.
Reference:
Essentials of Strength Training & Conditioning 3rd Edition p. 25
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2017.01.13 CSCS Daily Study Question