Secondary structure of protein is mainly governed by (a) hydrogen bonds (b) covalent bonds (c) ionic bonds (d) disulphide bonds

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Secondary structure of protein is mainly governed by

(a) hydrogen bonds (b) covalent bonds

(c) ionic bonds (d) disulphide bonds

Answer:

(a) The arrangement of polypeptide chains formed as a

result of hydrogen bonding is called secondary

structure of proteins.

• alpha-helix is formed by intramolecular H-bonding.
• beta-pleated sheet is formed by intermolecular H-bonding