Peptide bond is formed between:
Correct answer: C. Carboxyl group and amino group
- A. Hydrogen groups of adjacent amino acids
- B. Functional group of the amino acids
- C. Carboxyl group and amino group
- D. Functional group and hydrogen group of adjacent amino acid
Explanation
Carboxyl or COOH- a group of one amino acid and Amine or NH3+ of another Amino acid are responsible for forming peptide bonds.
This question appeared on the ETEA MDCAT 2008 paper, which you can sit online with every answer explained.
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Proteins are polymers of amino acids joined by peptide bonds, and their function depends on primary, secondary, tertiary and quaternary structure. The topic covers fibrous and globular proteins, enzymes, antibodies, hormones and transport proteins, as well as denaturation by heat or extreme pH.
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