PHYSIOLOGY
MUSCLE ENERGETICS GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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NAD+
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FAD+
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CoEnzyme A
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O2
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Detailed explanation-1: -In glycolysis pathway, glyceraldehyde-3-phosphate is converted to 1, 3-diphosphoglycerate. In this step, NAD+is reduced to NADH2. Nicotinamide adenine dinucleotide (NAD) is a coenzyme found in all living cells. So, the correct answer is ‘Glyceraldehyde-3-phosphate to 1, 3-diphosphoglycerate’.
Detailed explanation-2: -NAD is a coenzyme that mediates redox reactions through a transfer of electrons between NAD+ (its oxidized form) and NADH (its reduced form). Hundreds of enzymes use NAD as a coenzyme and regulate various metabolic pathways32. NGD and NHD are also believed to function as electron donors or acceptors.
Detailed explanation-3: -Nicotinamide adenine dinucleotide (NAD) is a coenzyme central to metabolism. Found in all living cells, NAD is called a dinucleotide because it consists of two nucleotides joined through their phosphate groups. One nucleotide contains an adenine nucleobase and the other nicotinamide.