Peptide bond is_____________?
Correct answer: A. C-N link
- A. C-N link
- B. C- O lind
- C. N-H link
- D. C-H link
Explanation
A peptide bond is the covalent C-N bond formed between the carbonyl carbon of one amino acid and the nitrogen of another during condensation. Students may choose the N-H link because an amino group contains N-H bonds, but those bonds are not the linkage joining two amino acids in a peptide chain.
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About Proteins
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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