Mcq Subject: Biochemistry

While going for oxidation in the mitochondria, free fatty acid are transpoed by:

A. None of the above

B. Albumin

C. Globulins

D. Chylomicrons

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Biological value of proteins refers to the

A. Proteins efficiency ratio

B. Proteins biologic value

C. Protein energy ratio

D. Calorific value

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True statement about fatty acid:

A. Polyunsaturated FA is essential for membrane structure

B. Biologically arachidonic acid is essential to life

C. Hydrogenated vegetable oils contains Trans fatty acid

D. All

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The Vitamin A activity of beta-carotene compared to that of retinol is?

A. 2-Jan

B. 4-Jan

C. 6-Jan

D. 8-Jan

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Which of the following biochemical reaction is associated with substrate level phosphorylation?

A. Fumarate to malate

B. Succinate to fumarate

C. Succinyl CoA to Succinate

D. Acetoacetate to a-ketoglutarate

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Which of the following Immunoglobulin acts as a receptor for antigens

A. IgG

B. IgM

C. IgD

D. IgE

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Which is the only amino acid with good buffering capacity at physiological pH?

A. Arginine

B. Glutamic acid

C. Histidine

D. Valine

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All of the following are Glycoproteinoses, EXCEPT

A. Fucosidosis

B. Sanfilippo A syndrome

C. Sialidosis

D. a-mannosidosis

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Which of the following amino acid is active at neutral pH?

A. Histidine

B. Glycine

C. Leucine

D. Arginine

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Biotin deficiency is due to

A. Avidin

B. Flavoproteins

C. Metallo flavoproteins

D. Oxireductase

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