Question

Amino acids have both an amino group and a carboxyl group in their structure. Which one of the following is an amino acid?

• A. Glycerol
• B. Formic acid
• C. Glycine
• D. Glycolic Acid

Answer 1

The correct option is C Glycine

Introduction to amino acids

Amino acids are organic compounds having an amino group $-N{H}_2$ and carboxylic group $-COOH$ attached to the same carbon i.e. the alpha carbon.
Examples: Glycine, serine, alanine etc.


Formic acid

Formic acid is the simplest carboxylic acid with the formula HCOOH.


Glycerol
Glycerol is an alcohol with three OH groups.


Glycolic acid

Glycolic acid is a carboxylic acid substituted with an alcohol group, its formula is HO-CH2-COOH.



Glycine

Glycine is the simplest amino acid with R group as H.



Final answer d. Glycine