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Biomolecules

Question
CBSEENBI11025370

Which one is imino acid?

  • Pepsin

  • Proline

  • Cysteine

  • Renin

Solution

B.

Proline

An imino acid is any molecule that contains both imino (>C=NH) and carboxyl (-COOH) functional groups. Eg, Proline and Hydroxy proline. 

Methionine and cysteine are sulphur containing amino acids.