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A homopolymer has only one type of build...

A homopolymer has only one type of building block called monomer repeated 'n' number of times. A heteropolymer has more than one type of monomer. Proteins are heteropolymers usually made of

A

20 types of monomer

B

40 types of monomer

C

30 types of monomer

D

only one type of monomer.

Text Solution

Verified by Experts

The correct Answer is:
A
The function and shape of a protein is affected by sequence of 20 types of amino acids, each having an amino group `-NH_(2)`, a carboxylic acid group `-COOH`, a hydrogen atom each attached to carbon located next to `-COOH` group and a side chain R which varies from one amino acid to other. (it can be hydrogen or an aliphatic group, an aromatic or heterocyclic group).
`H_(2)N-underset(R)underset(|)overset(H)overset(|)(C)-COOH`
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