Q18 / 90 · JEE Main 2023 (08 Apr Shift 2) · Chemistry

Match List I with List II
  List I
Natural amino acid
  List II
One Letter
Code
(A) Glutamic acid (I) Q
(B) Glutamine (II) W
(C) Tyrosine (III) E
(D) Tryptophan (IV) Y

Choose the correct answer from the options given below:

  • A
    (A)-III, B-IV, (C)-I, (D)-II
  • B
    (A)-IV, B-III, (C)-I, (D)-II
  • Correct answer
    C
    (A)-III, B-I, (C)-IV, (D)-II
  • D
    (A)-II, B-I, (C)-IV, (D)-III

Solution

Amino acids are organic compounds that contain amine  and carboxyl  functional groups, as well as a side chain specific to each amino acid. There are 20 standard amino acids that are used to create proteins.

One letter codes of the given natural amino acids are
Natural amino acid      One Letter Code
(A) Glutamic acid         (III) E
(B) Glutamine               (I) Q
(C) Tyrosine                  (IV) Y
(D) Tryptophan             (II) W
∴ Correct match is
(A)-III, B-I, (C)-IV, (D)-II

Hence, the correct answer is option: 'C'.

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