Question
Identify the sulphur containing amino acid
proline
methionine
aspartic acid
tryptophan
Solution
B.
methionine
Amino acid is a molecule containing amino (-NH2) group a carboxyl (-COOH) group, a hydrogen atom and a side chain, all bonded together to a central carbon atom.
Methionine is the hydrophobic amino acid and consists of sulphur containing group. Alongwith methionine, cysteine consists of sulphur containing group.
