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  4. There are 20 different types of amino acids that help in the formation of proteins. They differ from each other in the structure because of their

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Q. There are 20 different types of amino acids that help in the formation of proteins. They differ from each other in the structure because of their

NTA AbhyasNTA Abhyas 2020Biomolecules

Solution:

All amino acids which form proteins are alpha amino acids with COOH (carboxyl group), $N H_{2}$ (amine group), H and a variable R group attached to a central carbon atom. They differ from each other in the orientation of R group, e.g., R group is 'H' in glycine, ' $C H_{3}$ ' in alanine and ' $C H_{2}OH$ ' in serine.