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In fibrous proteins, polypeptide chains ...

In fibrous proteins, polypeptide chains are held together by........ .

A

van der Waals forces

B

disulphide linkage

C

electrostatic forces of attraction

D

hydrogen bonds

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The correct Answer is:
B, D
In fibrous proteins, polypeptide chains are held together by hydrogen and disulphide bond, in parallel manner. Due to which fibre-like structure is obtained. Such proteins are generally known as fibrous proteins. These proteins are generally insoluble in water e.g., keratin, myosin.
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