Question

Name the amino acid Where r group is hydrogen? ​

Answer 1

Answer - glycine

Explaination

The simplest of the amino acids, glycine, has just a hydrogen atom in the position of the R group.

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Answer 2

Glycine is the amino acid in which the R group is Hydrogen.

Amino Acids

• They are the entities (monomeric units) that join together via peptide bonds to make proteins.
• An amino acid contains the carbonyl group (- COO⁻) and amino group (NH₄⁺) bonded with the central carbon (C) along with a specific R group.
• The zwitterionic form of the amino acid is

${} \ \ \ \ \ \ \ \ \ \ \ \ H \\{} \ \ \ \ \ \ \ \ \ \ \ \ \ | \\^+H_3 N - C - COO^-\\{} \ \ \ \ \ \ \ \ \ \ \ \ \ | \\{} \ \ \ \ \ \ \ \ \ \ \ \ R$

Glycine

• Glycine is the simplest amino acid with hydrogen as the nonpolar, aliphatic R group. It is the sweet-tasting and earliest amino acid obtained by the isolation from gelatin.
• It is the non-essential amino acid (already present in the body) and can be synthesized from other two amino acids, serine and threonine. Therefore, it doesn't need any external dietary sources to be taken.
• The structure of glycine is

${} \ \ \ \ \ \ \ \ \ \ \ \ H \\{} \ \ \ \ \ \ \ \ \ \ \ \ \ | \\ {} \ \ H_2 N - C - COOH\\{} \ \ \ \ \ \ \ \ \ \ \ \ \ | \\{} \ \ \ \ \ \ \ \ \ \ \ \ H$

Amino acids are the monomeric units of proteins. Glycine is the simplest and non-essential amino acid with hydrogen as the nonpolar, aliphatic R group.