Biochemistry Mcqs

True about G protein couple receptors is _________________ ?

(A) G proteins bind to hormones on the cell surface

(B) All the three subunits alpha, beta and gamma should bind each other for G protein to act

(C) G Proteins act as inhibitory and excitatory because of difference in alpha subunit

(D) G protein is bound to GTP in resting state

Submitted By: Ali Uppal


Fatty acid oxidation occurs in______________?

(A) Cytoplasm

(B) Microsomes

(C) Mitochondria

(D) All of the above

Submitted By: Ali Uppal


A fatty acid that is not synthesized in man is_____________?

(A) Linoleic acid

(B) Oleic acid

(C) Palmitic acid

(D) Stearic acid

Submitted By: Ali Uppal


The most important role of cholesterol is_____________?

(A) It is a component of cell membrane

(B) It is a precursor of polyunsaturated fatty acids

(C) It stores up energy

(D) None of the above

Submitted By: Ali Uppal


The major lipids that make up the cell membrane are_______________?

(A) Triglycerides

(B) Phospholipids

(C) Sphingomyelins

(D) Fatty acids

Submitted By: Ali Uppal


Saponification means hydrolysis of fats by________________?

(A) Acid

(B) Alkali

(C) Water

(D) Enzymes

Submitted By: Ali Uppal


Unsaturated fatty acids are converted to______________?

(A) Prostaglandins

(B) Cholesterol

(C) Cell membrane lipid

(D) Saturated fatty acid

Submitted By: Ali Uppal


Which of the following is a phospholipid________________?

(A) Glycogen

(B) Sphingomyelin

(C) Prostaglandin

(D) Oleic acid

Submitted By: Ali Uppal


FSH, LH, TSH acts through_________________?

(A) Cyclic AMP

(B) Cyclic GMP

(C) Adenosine cyclate

(D) Calcium release

Submitted By: Ali Uppal


The best technique useful for initial viral load estimation is________________?

(A) Real time PCR

(B) Widal test

(C) Electrophoresis

(D) Immunofluoresence

Submitted By: Ali Uppal