mcq biology

MCQ on Membrane Lipids with Answer Key & Explanations (Biochemistry MCQ 010)

easybiologyclass, Archaebacterial ether lipids of plasma membrane

For details: Membrane lipids

MCQ on Membrane Lipids
Biochemistry MCQ-010
(Multiple Choice Questions in Biology / Life Science)
(Sample/Model/Practice Questions for JRF/NET Life Science Examination, ICMR JRF, DBT BET JRF, GATE, ICAR NET, PG Entrance)

(1). A genetic disorder caused by mutation in the hexosaminidase enzyme A which hydrolyze the GM2 to GM3 during membrane lipid turnover:

a.       Tay-Sachs syndrome
b.      Fabryi disease
c.       Gauche’s disease
d.      Niemann-Pick disease

(2). The simplest hydrophilic moiety present in the membrane lipid is:

a.       Phosphate group
b.      Hydroxyl group
c.       Amino group
d.      Glucose

(3). Which of the following cellular event can be best regulated by prostaglandins?        

a.       Synthesis of inter cellular cyclic AMP
b.      Synthesis of intra cellular cyclic AMP
c.       Synthesis of inter cellular cyclic GMP
d.      Synthesis of intra cellular cyclic GMP

(4). Which of the following statement is true regarding the solubility of steroids in biological fluids?

a.       Steroids and cholesterols are equally soluble
b.      Steroids are more soluble than cholesterol
c.       Cholesterol are more soluble than steroids
d.      Cholesterol and steroids are completely insoluble

(5). The potent molecular signal molecule Platelet Activating Factor (PAF) is an example for:

a.       Glycolipid
b.      Phospholipid
c.       Ether lipid
d.      Ceramide

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