28-31 The function of NAD is to A) cause the release of energy to adjacent cells

Question

28-31

The function of NAD is to A) cause the release of energy to adjacent cells when energy is needed in aerobic conditions. B) hasten the release of energy when the cell has been deprived of oxygen. C) carry hydrogen atoms and electrons from compounds being oxidized and to give hydrogen atoms and electrons to compounds being reduced. D) block the release of energy to adjacent cells. E) None of the above Water is a by-product of cellular respiration. The water is produced as a result of the A) combining of carbon dioxide with protons. B) conversion of pyruvate to acetyl CoA. C) degradation of glucose to pyruvate. D) reduction of oxygen at the end of the electron transport chain. E) None of the above The proton-motive force is A) ATP synthase. B) the proton concentration gradient and electric charge difference. C) a metabolic pathway. D) a redox reaction. E) None of the above In all cells, glucose metabolism begins with A) glycolysis. B) fermentation. C) pyruvate oxidation. D) the citric acid cycle. E) chemiosmosis.

Explanation / Answer

Question 28:

Ans:

The function of NAD+ is to:

carry hydrogen atoms and electrons from compound being oxidised and to give hydrogen atom and electron to copmpound being reduced.

Explanation:

-NAD+ means Nicotinamide adenine dinucleotide.

-It is more actively involved in Electron Transport Chain (ETC).

-NAD is a coenzyme and electron carrier.

-It is the coenzyme form of vitamin niacin.

-Also act as cofactor in redox reaction.

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