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Question
Which of the following is an example of alkaline amino acid?
Which of the following is an example of alkaline amino acid?
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Solution
The correct option is A Lysine
Amino acids can be classified based on the number of carboxylic groups and amino groups present in them.
(A) Acidic amino acids: They have one amino group and two carboxylic groups in their structure.
E.g: Aspartate and glutamate
(B) Alkaline amino acids: They have two amino groups and one carboxylic group.
Net charge = +ve
E.g: Histidine, arginine, lysine
(C) Neutral amino acids: They have one amino and one carboxylic group. They are present in the form of zwitter ion.
E.g: Alanine, valine
Amino acids can be classified based on the number of carboxylic groups and amino groups present in them.
(A) Acidic amino acids: They have one amino group and two carboxylic groups in their structure.
E.g: Aspartate and glutamate
(B) Alkaline amino acids: They have two amino groups and one carboxylic group.
Net charge = +ve
E.g: Histidine, arginine, lysine
(C) Neutral amino acids: They have one amino and one carboxylic group. They are present in the form of zwitter ion.
E.g: Alanine, valine
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