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NTPC Graduate Tier 1 2025 Shift-3 📅 06 Jun, 2025

Which functional groups in amino acids are directly involved in forming peptide bonds?

A
Carboxyl and amino groups
B
Hydroxyl and sulfhydryl groups
C
Carbonyl and phosphate groups
D
Methyl and acetyl groups
Result Summary
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NTPC Graduate Tier 1
2025 • 06 Jun, 2025 • Shift-3
Which functional groups in amino acids are directly involved in forming peptide bonds?
Correct Answer
Carboxyl and amino groups
Chemical Structure of Amino Acids: Every amino acid primarily consists of an amino group ($-NH_2$) and a carboxyl group ($-COOH$).Peptide Bond Formation: When t......
Ref/Book : NTPC Graduate Tier 1 2025
Ref. Subject General Science
Chapter -
Ref. Topic Biology
Pg. No -
💡 Analysis & Explanation
Chemical Structure of Amino Acids ▼
Every amino acid primarily consists of an amino group ($-NH_2$) and a carboxyl group ($-COOH$).
Peptide Bond Formation ▼
When two amino acids join to form a peptide bond, a dehydration synthesis reaction occurs. Specifically, the carboxyl group of one amino acid reacts with the amino group of the other, releasing a molecule of water.
Conclusion ▼
Therefore, the carboxyl and amino groups are the primary components involved in peptide bond formation.
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