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Multiple Choice
How many ATP molecules are produced from the 10 NADH molecules that enter the electron transport chain during cellular respiration?
A
40 ATP
B
25 ATP
C
20 ATP
D
30 ATP
Verified step by step guidance
1
Understand that NADH is a key electron carrier in cellular respiration, specifically in the electron transport chain (ETC). Each NADH molecule contributes to the production of ATP.
Recall that during oxidative phosphorylation, each NADH molecule typically results in the production of approximately 2.5 ATP molecules. This is due to the proton gradient created across the mitochondrial membrane, which drives ATP synthesis.
Calculate the total ATP produced by multiplying the number of NADH molecules by the ATP yield per NADH: 10 NADH molecules * 2.5 ATP/NADH.
Perform the multiplication to determine the total number of ATP molecules produced from the 10 NADH molecules.
Review the options provided and select the one that matches the calculated total ATP production from the 10 NADH molecules.