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Biochemistry

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Lipid

Question
23 out of 26
 

TRUE regarding the main function of Apoprotein C II (AIPG 2008)



A Cholesterol synthesis

B TG transport

C Increases activity of lipoprotein lipase

D Fatty acid synthesis

Ans. C Increases activity of lipoprotein lipase

a. Lipases hydrolyze blood triacylglycerol for their fatty acids to become available to tissues.

b. Lipoprotein lipase hydrolyzes triacylglycerol in plasma lipoproteins.

c. Lipoprotein lipase is located on the surface of endothelial cells of capillaries and possible of adjoining tissue cells.

d. It hydrolyzes fatty acids from the 1 and/or 3 positions of tri-and diacylglycerols present in VLDL or chylomicrons.

e. One of the lipoprotein apoproteins (Apo C-II)must be present to activate the process. Fatty acids released are either bound to serum albumin or taken up by the tissue.

f. Apoprotein C along with phospholipids helps in activating lipoprotein lipase for catalyzing the conversion of Chylomicrons and VLDL into Chylomicron and VLDL remnants.

Lipid Flashcard List

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