Following are the statements with reference to 'lipids'. (a) Lipids having only single bonds are called unsatu

Question

Following are the statements with reference to 'lipids'. (a) Lipids having only single bonds are called unsaturated fatty acids (b) Lecithin is a phospholipid. (c) Trihydroxy propane is glycerol. (d) Palmitic acid has 20 carbon atoms including carboxyl carbon. (e) Arachidonic acid has 16 carbon atoms. Choose the correct answer from the options given below.

Accepted Answer

Lipids having only single bonds are called saturated fatty acids and lipids having one or more $C = C$ double bonds are called unsaturated fatty acids. Palmitic acid has 16 carbon atoms including carboxyl carbon. Arachidonic acid has 20 carbon atoms including the carboxyl carbon. Lecithin is a phospholipid found in cell membrane. Glycerol has 3 carbons, each bearing a hydroxyl ($-OH$) group.

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