Question

Enormous diversity of protein molecules is mainly due to diversity of __________________.

• A. Peptide bonds
• B. Amino groups of amino acids
• C. R groups of amino acids
• D. Amino acid sequences within the protein molecules

Answer 1

The correct option is D Amino acid sequences within the protein molecules

Proteins are building blocks of the body. The proteins are made up of amino acids. The amino acids are linked together by peptide bonds to form a protein. The amino acids consist of amine group made up of nitrogen and hydrogen and the carboxyl group at the end and a side chain of R group which is specific to a particular amino acid. This specific group brings a variability to the proteins. If R group is H it is glycine while if it is $C{H}_2$ it is alanine. The sequence of amino acids determines the protein.

So, the correct answer is option D.