Identify the correct statement among the following:

Identify the correct statement among the following:
  1. All naturally occurring amino acids except glycine contain one chiral centre.
  2. All naturally occurring amino acids are optically active.
  3. Glutamic acid is the only amino acid that contains a-COOH group at the side chain.
  4. Amino acid, cysteine easily undergo dimerization due to the presence of free SH group.

Solution

* Isoleucine has 2 chiral centre
* Glycine is optically inactive
* Aspartic acid also contain COOH group at the side chain.
* Cysteine easily dimmerise due to free SH group

Asked in: JEE Main 2025 (02 Apr Shift 1)

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