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JEE Main2026Apr 4, Shift 1Chemistry
Q.

Match the LIST-I with LIST-II :

List-I (Name of amino acid)List-II (One letter symbol/type)
A. ArginineI. D / Non-essential
B. Aspartic acidII. R / Essential
C. LysineIII. E / Non-essential
D. Glutamic acidIV. K / Essential

Choose the correct answer from the options given below :

  1. A

    A-II, B-I, C-IV, D-III

  2. B

    A-IV, B-III, C-II, D-I

  3. C

    A-III, B-IV, C-I, D-II

  4. D

    A-II, B-IV, C-I, D-III

Solution

Standard one-letter codes: Arginine R, Aspartic acid D, Lysine K, Glutamic acid E.

Essentiality: Arginine and Lysine are essential (must be obtained from diet). Aspartic acid and Glutamic acid are non-essential (synthesised by the body).

Pairings: A (Arg) II (R/Essential); B (Asp) I (D/Non-essential); C (Lys) IV (K/Essential); D (Glu) III (E/Non-essential).

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