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Biochemistry

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Lipid

Question
25 out of 63
 

Fatty acids of cholesterol are mainly PGI



A Oleic acid
B Linoleic acid

C Linolenic acid
D Palmitic acid

Ans. A oleic acid +, B. linoleic acid + D. Palmitic acid
  1. Of total fatty acids, 45% are triacylglycerol, 35% phospholipids, 15% cholesteryl ester, and less than 5% free fatty acid.
  2. Cholesterol is often found as cholesteryl ester, where the hydroxyl group on position 3 is esterified with a long-chain-fatty acid
  3. The ester form of cholesterol is also referred as “bound” form. The various fatty acids which form

d. cholesterol esters are as follows:

a. Linoleic acid — 50%

b. Oleic acid— 18%

c. Palmitic acid — 11%

d. Arachidonic acid — 5%

e. And other fatty acid — 16%

f. Cholesterol in brain and nervous tissue, free form predominates, where is adrenal cortex it occurs mainly as esterified form

Lipid Flashcard List

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