Which of the following statement is false about protein:
Correct answer: D. Primary structure is due to hydrogen bonding
- A. Peptide bond is a covalent bond
- B. It is a polyamide
- C. It contains different sequences of amino acids in different proteins
- D. Primary structure is due to hydrogen bonding
Explanation
This statement is false. The primary structure of a protein is determined solely by the sequence of amino acids linked by strong, covalent peptide bonds, not by weaker hydrogen bonds.
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About Macromolecules
Proteins are classified by shape, composition and structure, from primary amino acid sequence to secondary, tertiary and quaternary organisation, and their biological roles are linked to this structure. Enzymes are examined as protein biocatalysts, including active sites, substrate specificity, activation energy, cofactors and factors affecting activity.
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