PHYSIOLOGY
MUSCLE ENERGETICS GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many high-energy electrons are passed to the carrier NAD+ to produce NADH in glycolysis?
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2
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8
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5
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4
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Explanation:
Detailed explanation-1: -Complex I. To start, two electrons are carried to the first complex aboard NADH. This complex, labeled I, is composed of flavin mononucleotide (FMN) and an iron-sulfur (Fe-S)-containing protein.
Detailed explanation-2: -Glycolysis: Glucose is split into two molecules called pyruvate and 2 ATP molecules are generate per molecule of glucose as well as 2 molecules of NADH.
Detailed explanation-3: -Meanwhile, it takes one mole of NADH to pump 4 moles of H+ into the intermembrane space. Hence, 2.5 ATP molecules are synthesized per molecule of NADH that enters the electron transport chain.
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