Which of the following reactions is used in glycolysis but not in gluconeogenesi

Question

Which of the following reactions is used in glycolysis but not in gluconeogenesis? Select one: a. Glucose ATP glucose-6-phosphate + ADP O b. Fructose-1,6-bisphosphate dihydroxyacetone phosphate + glyceraldehyde-3-phosphate c. Glyceraldehyde-3-phosphate + phosphate + NAD? d. 3-Phosphoglycerate?2-Phosphoglycerate e. 2-Phosphoglycerate?phospheno!pyruvate + H2O 1,3-bisphosphoglycerate + NADH + H Which of the following statements about glycogen metabolism is correct? Select one: a. Glycogen degradation is regulated by allosteric modulation of the de-branching enzyme. o b. Liver and muscle contain the main depots of glycogen in the human body. O c. Degradation of glycogen occurs by hydrolysis, generating glucose. d. When muscle glycogen is broken down it raises blood glucose levels. O e. Glucagon stimulates the synthesis of glycogen in muscle.

Explanation / Answer

Answer:

1. A

IN GLYCOLYSIS Glucose to glucose-6-phosphate requires ATP and in gluconeogenesis this can not be equally reversed because it would be same as considering the ATP sysnthesis in gluconeogenesis which is not the case. the aim of gluconeogenesis is not to produce energy but to produce glucose to circulate in body.

2. B

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