3
Question
Conversion of glucose to pyruvic acid yields a net gain of
Conversion of glucose to pyruvic acid yields a net gain of
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Solution
The correct option is B 2 molecules of ATP
The conversion of glucose to pyruvic acid is known as glycolysis. This is the first step of respiration. The glucose molecule is broken down to give two molecules of pyruvate. There are 4 ATPs produced but 2 ATP are used up for phosphorylation, so the net yield of glycolysis is 2 ATP. Thus, the correct answer is option A.
The conversion of glucose to pyruvic acid is known as glycolysis. This is the first step of respiration. The glucose molecule is broken down to give two molecules of pyruvate. There are 4 ATPs produced but 2 ATP are used up for phosphorylation, so the net yield of glycolysis is 2 ATP.
Thus, the correct answer is option A.
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