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Multiple Choice
How many NADH molecules are produced in phase B of glycolysis?
A
2
B
3
C
1
D
4
Verified step by step guidance
1
Understand the process of glycolysis: Glycolysis is a metabolic pathway that converts glucose into pyruvate, releasing energy and producing ATP and NADH in the process.
Identify the phases of glycolysis: Glycolysis consists of two main phases - the energy investment phase (Phase A) and the energy payoff phase (Phase B).
Focus on Phase B: In the energy payoff phase, ATP and NADH are generated. Specifically, NADH is produced during the conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate.
Count the NADH molecules: During Phase B, each molecule of glucose results in the production of two molecules of NADH, as two glyceraldehyde-3-phosphate molecules are processed.
Review the options: Based on the understanding that two NADH molecules are produced per glucose molecule in Phase B, select the correct answer from the given options.