NEET 2016 Phase 2 · BiologyAmino acids/proteinsPrevious Year Question
Which one of the following statements is wrong?
Answer: (D) Glycine is a sulphur containing amino acid. Answer: (D) Glycine is a sulphur containing amino acid.
- A.Sucrose is a disaccharide
- B.Cellulose is a polysaccharide
- C.Uracil is a pyrimidine
- D.Glycine is a sulphur containing amino acid✓
Correct Answer
(D) Glycine is a sulphur containing amino acid
Solution & Explanation
Answer: (D) Glycine is a sulphur containing amino acid. Solution: Glycine is the simplest amino acid, with only a hydrogen as its R-group, so it contains NO sulphur (sulphur-containing amino acids are cysteine and methionine) — making this statement WRONG. The other three are correct: sucrose is a disaccharide, cellulose is a polysaccharide, and uracil is a pyrimidine base. NCERT Reference: Ch 9, p.107, line ~56 — "Glycine"
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