JEE Main 202621 JanuaryMorning Shift
- Exam
- JEE Main
- Year
- 2026
- Date
- 21 January
- Shift
- Morning Shift
- Subject
- Chemistry
- Chapter
- Biomolecules
JEE Main 2026 · 21 January · Morning Shift · Chemistry · Biomolecules
Identify the correct statements. A. Arginine and Tryptophan are...
Identify the correct statements.
A. Arginine and Tryptophan are essential amino acids.
B. Histidine does not contain heterocyclic ring in its structure.
C. Proline is a six membered cyclic ring amino acid.
D. Glycine does not have chiral centre.
E. Cysteine has characteristic feature of side chain as .
Choose the correct answer from the options given below :
A. Arginine and Tryptophan are essential amino acids.
B. Histidine does not contain heterocyclic ring in its structure.
C. Proline is a six membered cyclic ring amino acid.
D. Glycine does not have chiral centre.
E. Cysteine has characteristic feature of side chain as .
Choose the correct answer from the options given below :
Options
- AA and D Only
- BB and E Only
- CC and E Only
- DC and D Only
Correct answer
A. A and D Only
Step-by-step solution
A. Arginine and Tryptophan are essential amino acids - True
B. Histidine contains imidazole ring (heterocyclic ring with N) - Statement is False
C. Proline has a 5-membered pyrrolidine ring, not 6-membered - False
D. Glycine () has no chiral center (α-carbon has two H atoms) - True
E. Cysteine side chain is (thiol). is the side chain of Methionine, not Cysteine - False
Correct statements: A and D only
B. Histidine contains imidazole ring (heterocyclic ring with N) - Statement is False
C. Proline has a 5-membered pyrrolidine ring, not 6-membered - False
D. Glycine () has no chiral center (α-carbon has two H atoms) - True
E. Cysteine side chain is (thiol). is the side chain of Methionine, not Cysteine - False
Correct statements: A and D only