CELL RESPIRATION
THE KREBS CYCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The number of ATP molecules produced by the Krebs Cycle per glucose molecule is
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2
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3
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4
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0
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Explanation:
Detailed explanation-1: -One glucose molecule gives two acetyl-CoA each gives one ATP., and ATP. The Krebs cycle is a major part of the cellular respiration process.
Detailed explanation-2: -The net energy output for one glucose molecule from glycolysis through the Krebs cycle is: 4 ATP, 10 NADH + H+, and 2 FADH2.
Detailed explanation-3: -Therefore, two glucose molecules can generate 76 ATP molecules.
Detailed explanation-4: -2 ATPs are produced in the TCA cycle per glucose molecule (2 acetyl CoA).
Detailed explanation-5: -All told, the Krebs cycle forms (per two molecules of pyruvic acid) two ATP molecules, ten NADH molecules, and two FADH2 molecules. The NADH and the FADH2 will be used in the electron transport system.
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