Water is released during the conversion of:
Correct answer: A. 2-phosphoglycerate → PEP
- A. 2-phosphoglycerate → PEP
- B. 3-phosphoglycerate → 2-phosphoglycerate
- C. 1,3-bisphosphoglycerate → 3-phosphoglycerate
- D. G3P → 1,3-bisphosphoglycerate
Explanation
During glycolysis, the conversion of 2-phosphoglycerate (2- PG) to phosphoenolpyruvate (PEP) is catalyzed by the enzyme enolase, where a molecule of water is removed (dehydration reaction). The reaction can be represented as follows: 2-phosphoglycerate (2-PG) ⇌ phosphoenolpyruvate (PEP) + H2O.
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