Biochemistry MCQs

Page No. 44

In glycolysis ATP is produced by the following enzyme______________?


aHexokinase


bPhosphoglycerate kinase


c Enolase


dPhosphohexose isomerase



The main pathways of metabolism in brain are______________?


aGlycolysis and citric acid cycle


bGlycogenolysis and Gluconeogenesis


cEmbden-Meyerhof Pathway and H.M.P shunt


dGlycogenolysis and Citric and cycle



1 molelcule of glucose forms _______ molecules of pyruvate?


a1


b2


c3


d4


View Answer 2

Step in HMP pathway requiring TPP_____________?


aG6 PD


b 6 phosphogluconate dehydrogenase


cTransketolase


dTransaldolase


View Answer Transketolase

Sites where HMP shunts can occur include_______________?


a Liver


bWBC


cLactating mammary gland


dTestes


View Answer All of the above

Glucose 6 phosphatase deficiency is seen in______________?


aPomper’s disease


bVon Gierke’s disease


cMcArdles syndrome


dDowns syndrome



HMP shunt is of great importance in cellular metabolism because its produces_____________?


aATP


bADP


cAcetyl CoA


dNADPH


View Answer NADPH

NADPH is generated by the action of____________?


a Glucose 6 phosphate dehydrogenase


bGlucose 1 phosphate dehydrogenase


cGlucose 1,6 diphosphate dehydrogenase


dAll of the above



Number of ATP molecules generated in the conversion of glycogen of lactate is_____________?


a2


b36


c38


d32


View Answer 2

The monsaccharide glucose is best described by which one of the following statements ?


aIt usually exists in the furanose form


bIt is a ketose


cIt possessesan anomeric C-2 carbon atom


dIt formspart of the disaccharide sucrose



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