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Define protein with its components in 5 marks

Answer» A\xa0protein\xa0is a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds.\xa0Proteins\xa0are present in all living organisms and include many essential biological compounds such as enzymes, hormones, and antibodies.\xa0The building blocks of\xa0proteins\xa0are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable\xa0component called\xa0a side chain.


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