Question

1. The general structure of all amino acids are same except for
a) Lysine
b) Glycine
c) Proline
d) Alanine
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Answer 1

Answer:

B) Glycine

Explanation:

In general, all α-amino acid consists of an amino group, a hydrogen atom, and a distinctive side chain, all bonded to α-carbon. ... All amino acids have chiral carbon except glycine and hence they are optically active.

Answer 2

Glycine does not have the general structure of all amino acids.

• Amino acids are the molecules that combine to form a protein molecule. Amino acids are the building block of protein.
• The general structural formula of an amino acid is R-CH(NH2)-COOH.
• An amino acid contains main 5 parts which include a central carbon atom a nitrogen atom and a carboxyl group.
• The central atom of carbon contains four different atoms.
• The R group present consists of different groups.
• There is a total of 20 amino acids present each amino acid is different from the other depending on the side chain present. Some amino acids have Sulfur and nitrogen in the side chain.
• Every amino acid has a basic structure consisting of a carbon central atom a nitrogen group and a carboxyl group.
• All of the amino acid consists of a chiral carbon except Glycin therefore they are optically active and are different from other amino acids.

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