Mcq Subject: Biochemistry

Active form of vitamin D in kidney is:

A. 1 dihydroxy cholecalciferol

B. 25 hydroxy cholecalciferol

C. 1, 25 dihydroxy cholecalciferol

D. 7 dihydroxy calciferol

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VLDL is concerned with:

A. Delivery of endogenous FA to extrahepatic tissue

B. Delivery of exogenous FA to extrahepatic tissue

C. Delivery of cholesterol to extrahepatic tissue

D. All of the above

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What does forward scatter in flow cytometry used to assess?

A. Cell death

B. Cell size

C. Cell granules

D. Cell fluorescence

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Which of the following is maximum in HDL as compared to other lipoproteins?

A. Cholesterol

B. Apoproteins

C. Triglycerides

D. Fatty acids

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VLDL is synthesised in

A. GIT

B. Liver

C. Liver and GIT

D. None of the above

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Genes involved in X-Linked SCID-

A. EGFR

B. CD23

C. IL6

D. IL2RG

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Acetyl Co-A acts as a substrate for all the enzymes except:

A. HMG-CoA synthase

B. Malic enzyme

C. Malonyl CoA synthetase

D. Fatty acid synthetase

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Which of the following amino acids does not include post-translational modification?

A. Selenocysteine

B. Triiodothyronine

C. Hydroxyproline

D. Hydroxylysine

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Binding of Eukaryotic mRNA to Ribosomes is facilitated by

A. Capping

B. Poly-A tail

C. tRNA

D. Shine-Dalgarno sequence

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Autosomal dominant hypercholesterolemia type II is due to deficiency of:

A. LDL receptor

B. Apoprotein B-100

C. Apoprotein C

D. Lipoprotein lipase

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