Q.
Which of the following statements is incorrect about the secondary structure of protein?
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a
It refers to the shape in which long polypeptide chain can exist.
b
It exists in two different type of structures, i.e. α-helix and β-pleated sheet structure
c
Its structure arises due to regular folding of the backbone of the polypeptide chain
d
There is the covalent bonding between and -NH groups of the peptide bond
answer is D.
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Detailed Solution
The secondary structure of proteins refers to the shape in which a long polypeptide chain can exist. They are found to exist in two different types of structures, i.e, α-helix and β-pleated sheet structure. These structures arise due to the regular folding of the backbone of the polypeptide chain due to hydrogen bonding between group of the peptide bond.
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