The single letter amino acid codes is fairly easy to remember. In eleven cases out of twenty, it is just the first letter.
| Natural Amino acid | One Letter Code | ||
| (A) | Arginine | (IV) | R |
| (B) | Aspartic acid | (I) | D |
| (C) | Asparagine | (II) | N |
| (D) | Alanine | (III) | A |
Match List-I with List-II. List-I Natural Amino acid List-II One Letter Code (A) Arginine (I) D (B) Aspartic acid (II) N (C) Asparagine (III) A (D)…
JEE Main 2023 — Chemistry Organic Chemistry
2023mcqhard
Match List-I with List-II.
| List-I Natural Amino acid | List-II One Letter Code | ||
| (A) | Arginine | (I) | D |
| (B) | Aspartic acid | (II) | N |
| (C) | Asparagine | (III) | A |
| (D) | Alanine | (IV) | R |
Official previous-year question
Held on 6 Apr 2023 · Verified 6 Jul 2026.
Options
- A
(A)–IV, B–I, (C)–II, (D)–III
- B
(A)–I, B–III, (C)–IV, (D)–II
- C
(A)–III, B–I, (C)–II, (D)–IV
- D
(A)–IV, B–I, (C)–III, (D)–II
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