Multiple choice

The number of molecules of pyruvic acid formed by the degradation of one molecule of glucose is _________.

  1. 5

  2. 4

  3. 3

  4. 2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

During glycolysis, one molecule of glucose (6-carbon) is broken down into two molecules of pyruvic acid (each 3-carbon). This is a fundamental fact of cellular respiration - the splitting of glucose into two pyruvate molecules.

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