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Cellular Respiration

The oxidation...

Question

The oxidation of glucose to two molecules each of pyruvate, ATP, and NADH is called and occurs in the .

A

glycolysis; cytoplasm

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B

fermentation; cytoplasm

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C

the Krebs cycle; matrix of the mitochondrion

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D

anaerobic respiration; cytoplasm

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Solution

The correct option is A
glycolysis; cytoplasm

This is the forst part of both aerobic and anaerobic respiration.

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Similar questions

Q. Pyruvate undergoes a cycle of changes and releases 2 ATP, ___ NADH and ___

F A D H_{2}

Q. Which combination of statement is correct?
(i) In aerobic respiration , glycolysis occurs in the cytoplasm of a cell.
(ii) In aerobic respiration, glycolysis cannot occur without the presence of oxygen.
(iii) In the process of glycolysis, glucose molecules are oxidised to produce the molecules of pyruvate.
(iv) In aerobic respiration , glycolysis occurs in the mitochondria of a cell.
(v) In aerobic respiration, oxidation of pyruvate molecules to produce

C O_{2}, H_{2} O

and energy, occurs in mitochondria.

Out of 38 ATP molecules produced per molecule of glucose, 32 ATP molecules are formed from NADH/FADH₂ in the

38

molecules of ATP produced upon aerobic respiration of glucose, the break up in ATP production in glycolysis(P), pyruvate to acetyl-CoA formation(Q) and Krebs cycle(R) is as follows

Q. Read the following four statements (A-D)
A) In fermentation, less than seven percent of the energy in glucose is released
B) Glycolysis occurs in the cytoplasm of the cell and is present only in anaerobic organisms
C) The number of ATP molecules synthesized in ETS depends on the nature of the electron donor
D) In glycolysis, glucose undergoes coin, complete oxidation to form two molecules pyruvic acid
How Many of the above statements are correct?

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