Question

Select the correct option:

Which of the following statements about amino acids is incorrect?

• A. Essential amino acids are not synthesised in the body, therefore have to be provided in the diet.
• B. Leucine, isoleucine, lysine, valine are essential amino acids.
• C. Cysteine and methionine are sulphur containing amino acids.
• D. Lysine and arginine are acidic amino acids.

Answer 1

The correct option is D Lysine and arginine are acidic amino acids.

Amino acids are the basic unit of protein and made up of carbon, hydrogen, oxygen, nitrogen and sometimes sulphur.

Amino acids are present with a carboxyl group and one amine group.

They are amphoteric and are known as a zwitterion.

Based on the group of amino acid that divide into a variety of types like simple amino acids, sulphur containing amino acid.

Sulphur containing amino acids are those that our sulphur atom and side by side chain. Arginine and lysine are basic amino acids have a basic group that is NH2 as the side chain.

So, the correct option is 'Lysine and arginine are acidic amino acids.'