33) The main products of pentose phosphate pathway are a. NADP+ and ribose 5-pho

Question

33) The main products of pentose phosphate pathway are a. NADP+ and ribose 5-phosphate b. NADH and ribose 5-phosphate c. NADPH and xvlulose 5- phosphate d. ATP and NADPH e. ATP and ribose 5-phosphate f. None of above 34) Pentose phosphate pathway is regulated by? a. Glucose 6-phosphate b. Ribose 5-phosphate c. Ribulose 5-phosphate d. Xylulose 5-phosphate e. All above f. None of above 35) Which of the following statement about the conversion of pyruvate to phosphoenolpyruvate is false: a) Pvruvate is firstly converted to oxaloacetate which is then converted to phosphoenolpvruvate b) It occurs in cytosol only c) It has 2 pathways depending on the precursors d) Biotin is involved in CO2 transfer e) It requires ATP

Explanation / Answer

Ans.1- (f) none of above because main products are NADPH and ribose-5-phosphate

Ans.2-;(a) becouse it is regulated first step is irreversible and is regulated glucose6phosphate dehydrogenase. Where glucose 6 phosphate is substrate

Ans.3-(b) is falls becouse this convresion occurs in mitochondrial matrix not in cytosol

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