Biochemistry MCQs

Page No. 27

Insulin caused lipogenesis by all except____________?


aIncreasing acetyl-CoA corboxylase activity

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bIncreases the transport of glucose in to the cells

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cInhibits Pyruvate dehydrogenase

✓


d Decreases intracellular cAMP level

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High content of cholesterol is present in_______________?


aCoconut oil

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bEgg yolk

✓


cHydrogenated fat

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dGhee (unsaturated)

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View Answer Egg yolk

The total blood concentration of ketone bodies in well fed individual is__________?


a1 mg%

✓


b5 mg%

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c12 mg%

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d20 mg%

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View Answer 1 mg%

Triglyceride synthesis synthesis is increased by______________?


aGrowth hormone

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bInsulin

✓


cCortisol

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dGulcagon

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View Answer Insulin

Prostaglandin synthesis is partially switched off by______________?


aLipo oxygenase inhibition

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bCyclo-oxygenase inhibition

✓


c Reductase

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dPeroxidase

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Triglycerides in serum are transported by_______________?


aHDL

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bVLDL

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cLDL

✓


dChylomicrons

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View Answer LDL

Lipid from tissue is carried to liver by_____________?


aLDL

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bVLDL

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cHDL

✓


dChylomicrons

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View Answer HDL

The precursor of steroid is_______________?


aAmino acids

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bFatty acids

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cCholesterol

✓


dNone of the above

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View Answer Cholesterol

Which is not seen in HMG CoA pathway ?


aPyruvate

✓


bCholesterol

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cMevalonate

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dAcetyl CoA

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View Answer Pyruvate

Rate limiting step in cholesterol synthesis is_______________?


aHMG CoA synthetase

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bHMG CoA lyase

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cHMG CoA reductase

✓


dMevalonate synthetase

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View Answer HMG CoA reductase

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