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Questions  

Select the incorrect statement w.r.t. proteins.

a
Each protein is a polymer of amino acids.
b
Protein is mostly a homopolymer.
c
Dietary proteins are the source of essential amino acids.
d
The first amino acid in a polypeptide chain is called as N-terminal amino acid.

detailed solution

Correct option is B

Each protein is a polymer of amino acids. As there are 20 types of amino acids (e.g., alanine, cysteine, proline, tryptophan, lysine, etc.), a protein is a heteropolymer and not a homopolymer.

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