Question

In glycolysis, the dehydration reaction is _____ .

• A. 2-Phosphoglycerate forming phosphoenolpyruvate by removal of water
• B. Phosphoenolpyruvate forming pyruvate by phosphorylation of ADP
• C. Glyceraldehyde-3-phosphate forming 1,3-bisphosphoglycerate
• D. Glucose forming glucose-6-phosphate by removal of water

Answer 1

The correct option is A 2-Phosphoglycerate forming phosphoenolpyruvate by removal of water

The removal of one water molecule from 2-phosphoglyceric acid resulting in the formation of phosphoenol pyruvic acid is the dehydration reaction in the glycolysis pathway. No other reaction involves dehydration or removal of water in the glycolysis pathway, the conversion of glucose to glucose-6-phosphate is not a dehydration reaction, but a phosphorylation reaction.