Multiple choice

2-phosphoglyceric acid is converted into phosphoenol pyruvic acid by _________.

  1. aldolase

  2. kinase

  3. enolase

  4. dehydrogenase
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Enolase converts 2-phosphoglycerate (2PG) to phosphoenolpyruvate (PEP) by removing a water molecule (dehydration). This is the second-to-last step of glycolysis. PEP then donates its phosphate to ADP via pyruvate kinase.

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