Which one of the following represents de-phosphorylation?
Correct answer: B. Fructose 1 ,3 bisphosphoglyeerate → 3 phosphoglycerate
- A. Fructose I-phosphate → Fructose 1,6-biphosphate
- B. Fructose 1 ,3 bisphosphoglyeerate → 3 phosphoglycerate
- C. Fructose I-phosphate → Fructose 6-phosphate
- D. Glucose 6-phosphate → Fructose 1-phosphate
Explanation
Removal of phosphate group from a molecule is called de-phosphorylation. Conversion of fructose 1 ,3-bisphosphoglycerate into 3-phosphoglycerate is a de-phosphorylation reaction.
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Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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