Biochemistry MCQs

Page No. 44

In glycolysis ATP is produced by the following enzyme______________?


aHexokinase

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bPhosphoglycerate kinase

✓


c Enolase

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dPhosphohexose isomerase

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The main pathways of metabolism in brain are______________?


aGlycolysis and citric acid cycle

✓


bGlycogenolysis and Gluconeogenesis

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cEmbden-Meyerhof Pathway and H.M.P shunt

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dGlycogenolysis and Citric and cycle

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1 molelcule of glucose forms _______ molecules of pyruvate?


a1

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b2

✓


c3

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d4

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View Answer 2

Step in HMP pathway requiring TPP_____________?


aG6 PD

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b 6 phosphogluconate dehydrogenase

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cTransketolase

✓


dTransaldolase

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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

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bVon Gierke’s disease

✓


cMcArdles syndrome

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dDowns syndrome

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


aATP

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bADP

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cAcetyl CoA

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dNADPH

✓


View Answer NADPH

NADPH is generated by the action of____________?


a Glucose 6 phosphate dehydrogenase

✓


bGlucose 1 phosphate dehydrogenase

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cGlucose 1,6 diphosphate dehydrogenase

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dAll of the above

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


a2

✓


b36

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c38

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d32

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View Answer 2

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


aIt usually exists in the furanose form

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bIt is a ketose

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cIt possessesan anomeric C-2 carbon atom

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dIt formspart of the disaccharide sucrose

✓



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