Biochemistry MCQs

Page No. 8

Both Vitamin K and C are involved in______________?


aThe synthesis of clotting factors

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bPost translational modifications

✓


cAntioxidant mechanisms

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dThe microsomal hydroxylation reactions

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All of the following are true about manifestations of vitamin E deficiency except_____________?


aHemolytic anemia

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bPosterior column abnormalities

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cCerebellar ataxia

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dAutonomic dysfunctions

✓



Biotin is required for the activity of_______________?


aPyruvate carboxylase

✓


bLactate dehydrogenase

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cSuccinate thiokinase

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dPhosphohexose isomerase

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View Answer Pyruvate carboxylase

Aniacinosis results in______________?


aPerleche

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bBeri beri

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cPellagra

✓


dNyctalopia

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View Answer Pellagra

Who is known for his work on scurvy ?


aFracastorius

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bJames lind

✓


cJohn snow

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dEdward Jenner

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View Answer James lind

The vitamin K dependent proteins C and S are characterized by their ability to inactivate factor_____________?


aVIII a and V a

✓


bVIII a

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cV a

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dNone of the above

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View Answer VIII a and V a

Cereals are deficient in_____________?


a Vitamin C

✓


bVitamin B complex

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cIron

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dCalcium

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View Answer Vitamin C

Vitamin C effects_________________?


aMaturation of procollagen

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bFormation of osteoid matrix

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cCalcification of osteoid

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dBoth A and B

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View Answer Both A and B

Tertiary structure of protein is maintained by all except______________?


aH2 bond

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bHydrophobic

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cIonic bond

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dNone of the above

✓


View Answer None of the above

Albumins and globulins are ________ proteins?


aSimple

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bPeptones

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cProlamines

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dLactalbumin

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View Answer Simple

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