MUSCLE PHYSIOLOGY

PHYSIOLOGY

MUSCLE ENERGETICS GLYCOLYSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many total ATP are made at the end of cell respiration?
A
32
B
34
C
36
D
38
Explanation: 

Detailed explanation-1: -One glucose molecule is metabolised to yield 38 ATP molecules during cellular respiration. The electron transport system produces 34 molecules of ATP out of a total of 38 molecules.

Detailed explanation-2: -The citric acid cycle produces 36 ATP molecules. So, in aerobic respiration, a total of 38 molecules of ATP are created, with 2 ATP molecules formed outside the mitochondria.

Detailed explanation-3: -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-4: -One ATP provides 7.3 kcal energy. Therefore, 38 ATP yields 227.4 Kcal energy.

Detailed explanation-5: -During citric acid cycle, 36 ATP molecules are produced. So, all total here are 38 molecules of ATP produced in aerobic respiration and 2 ATP are formed outside the mitochondria.

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