Biomolecules Question 30

30. A phosphoglycerate is always made up of :

[NEET 2013]

(a) only an unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached

(b) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached

(c) a saturated or unsaturated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule.

(d) only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached

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Answer : b

Hints & Solutions

(b) A saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached forms phosphoglycerides. Phosphoglycerides are major structural components of cell membranes. They are, therefore, called membrane lipids. Lecithin is one such example.