NEET 2017 · BiologyCell compositionPrevious Year Question
Which of the following are not polymeric?
Answer: (D) Lipids. Answer: (D) Lipids.
- A.Nucleic acids
- B.Proteins
- C.Polysaccharides
- D.Lipids✓
Correct Answer
(D) Lipids
Solution & Explanation
Answer: (D) Lipids. Solution: Nucleic acids (polymers of nucleotides), proteins (polymers of amino acids) and polysaccharides (polymers of monosaccharides) are all true polymeric biomacromolecules. Lipids are esters of fatty acids with glycerol/alcohol and are not built by repeating monomer units, so they are NOT polymeric. NCERT Reference: Ch 9, p.110, line ~34 — "monosaccharides as building blocks. For example, cellulose is a"
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