The correct answer would be - between 30 to 40 ATPs per molecule of glucose.
In aerobic respiration macromolecules such as glucose break in the presence of oxygen to produce energy. That occurs in mitochondria. The stages of aerobic respiration are glycolysis, the Krebs cycle and ETS.
Glycolysis is the first stage of cellular respiration that is a metabolic pathway of glucose that takes place in the cytosol. Here, the glucose molecule converts into two molecules of pyruvic acid or pyruvate that forms ATP and NADH as energy.
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In glycolysis - six ATP molecules are produced.
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The citric acid cycle is the second stage where In the citric acid cycle, two molecules of ATP are produced.
- Oxidative phosphorylation of cellular respiration that produces FADH₂ two and eight NADH molecules that produce ATP.
Two ATP molecules are produced by one molecule of FADH₂ and therefore the number of ATP produced from 2 FADH₂ is 4 ATP.
NADH produces three ATP molecules by each molecule and therefore the number of ATP produced from 8 NADH is 24 ATP.
The number of ATP produced from the one glucose molecule under aerobic respiration is given as follows:
From glycolysis = 6 ATP
From citric acid cycle = 2 ATP
From FADH₂ = 4 ATP
From NADH = 24 ATP
total 36 ATPs.
Under aerobic respiration 36 molecules of ATP are produced from one molecule of glucose thus, the correct answer would be - between 30 - 40.
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