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JEE Main · 2016 · 03 Apr 2016 · Offline · Biomolecules

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Thiol group is present in :
  1. (A)Cystine
  2. (B)Cysteine✓ Correct
  3. (C)Methionine
  4. (D)Cytosine

Answer: (B)

Solution

The thiol group is . Cysteine is the amino acid that carries it, . Cystine is two cysteines joined through a disulfide bond, methionine holds its sulfur as a thioether rather than a thiol, and cytosine is a nitrogen base with no sulfur. The thiol group is present in cysteine.

JEE Main · 2016 · 03 Apr 2016 · Offline · Single correct option

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