Class 11 · Biomolecules

Structure of α-Amino Acids — NEET Biology

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Amino acids are organic compounds containing an amino group and an acidic group as substituents on the same carbon i.e., the α-carbon. Hence, they are called α-amino acids. They are substituted methanes. There are four substituent groups occupying the four valency positions. These are hydrogen, carboxyl group, amino group and a variable group designated as R group. Based on the nature of R group there are many amino acids. However, those which occur in proteins are only of twenty

NCERT Biology · Class 11 · Chapter 9 · Paragraph 5
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