NEET BIOLOGY

PLANT PHYSIOLOGY

PHOTOSYNTHESIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many ATP molecules are released during aerobic respiration?
A
48
B
26
C
38
D
16
Explanation: 

Detailed explanation-1: -In aerobic respiration, the full oxidation of one glucose molecule can theoretically yield 38 ATP molecules.

Detailed explanation-2: -So, in aerobic respiration, a total of 38 molecules of ATP are created, with 2 ATP molecules formed outside the mitochondria. Electron transfer from glycolysis’ NADH and FADH2 molecules, pyruvate transformation, and the Krebs cycle generates up to 32 additional ATP molecules.

Detailed explanation-3: -In aerobic respiration, one glucose molecule results in a net ATP gain of 38 ATP. It comprises ATP generated during glycolysis, the link reaction, the TCA cycle, and oxidative phosphorylation in the electron transport system.

Detailed explanation-4: -Biology textbooks often state that 38 ATP molecules can be made per oxidized glucose molecule during cellular respiration (2 from glycolysis, 2 from the Krebs cycle, and about 34 from the electron transport system).

Detailed explanation-5: -The theoretical maximum yield of ATP for the oxidation of one molecule of glucose during aerobic respiration is 38.

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