NAD+ is derived from vitamin E. is an electron source for biological oxidation r
ID: 180987 • Letter: N
Question
NAD+ is derived from vitamin E. is an electron source for biological oxidation reactions. is a coenzyme acceptor of electrons and a hydrogen ion. releases a phosphate to become NADH is the reduced form of the B vitamin niacin. The gross output of ATP from glycolysis is whereas the net output of ATP is 2; 1 4;2 4; 1 6; 4 2; 4 During glycolysis, aldolase catalyzes the breakdown of fructose-1, 6 bisphosphate to produce phosphoenolpyruvate. dihydroxyacetone phosphate. fructose-6-phosphate. A and B. B and C. During the process of glycolysis, which of the following substrates donates electrons to NAD+ and adds P_i to form 1, 3-bisphosphoglyceratc? 3-phosphoglycerate 2-phosphoelycerate glyceraldchyde-3-phosphate glucose glucose-6-phosphatc During the conversion of 1, 3-bisphosphoglyceratc to 3-phosphoglycerate and phosphoenolpyruvate, a phosphate group is added to ATP to generate ATP. The mechanism for ATP production in this reaction is substrate-level phosphorylation. product-level phosphorylation. oxidative phosphorylation.Explanation / Answer
Q. 44 Option is C
Nicotinamide adenine dinucleotide (NAD+ in its oxidized form) is composed of two nucleotides joined by phosphate groups by a phosphoanhydride bond.
NADH is a coenzymes that undergo reversible reduction ofthe nicotinamide ring.
As a substrate molecule NADH undergoes oxidation (dehydrogenation), giving up two hydrogen atoms.
The oxidized form of the nucleotide (NAD+) accepts a hydride ion (:H -, which is equivalent of a proton and two electrons) and is converted into the reduced form (NADH).
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