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Biochemistry

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Multiple Choice

Which of the following features are associated with cysteine amino acid?

  1. A. Aliphatic, B. 2 methyl groups and C. Sulphur atom
  2. A. Aliphatic, B. 3 methyl groups and C. Carboxylic acid functional group
  3. A. Aliphatic, B. 2 methyl groups and C. Hydroxyl functional group
  4. A. Aromatic, B. 2 methyl groups and C. Hydroxyl functional group
  5. A. Aliphatic, B. 5 methyl groups and C. No functional group
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