True or false? The second NADP+ binding site on a glucose 6-phosphate dehydrogen

Question

True or false? The second NADP+ binding site on a glucose 6-phosphate dehydrogenase is for enzyme stability, ? Tpp is used in ppp and well as the TCA cycle In the phosphopentose isomerase reaction Ribulose 5-phosphate is converted to Ribose 5-phosphate through an enediolate intermediate Glucose 6-phospahte dehydrogenase multimerization is not needed for activity when Ribose 5-phophate needs are greater than the need for NADPH, Glycolysis and the backwards route of the non-oxidative part of PPP are used In the transketolase reaction, the Ylid form of TPP acts as a nucleophile to attack a carbonyl. | TPP takes the acetyl group from lipoamide The eneamine form of hydroxyethl-TPP is the nucleophile that attacks lipoamide. ?l when NADPH is needed more than ribose 5-phosphate, gluconeogenesis and both phases of PPP are used Submit Answer Tries 0/99

Explanation / Answer

1. True. The role is long term stability.

2. True

3. True

4. True. Disruption of dimerisation leads to loss of activity.

5. True

6. True

7. False. TPP transfers Acetyl group to lipoamide.

8. True

9. False. Oxidative phase of PPP is used

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