Question

is there any similarity between nylon and protein​

Answer 1

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The -CONH- bond between amino acids is known as a peptide bond because relatively short polymers of amino acids are known as peptides. The same -CONH- bond forms the backbone of both proteins and synthetic fibers such as Nylon.

Probably the best-known example of a synthetic polymer is nylon. Its monomers are linked by amide bonds (which are called peptide bonds in biological polymers), so its physical properties are similar to those of some proteins because of their common structural unit—the amide group.

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