Answer:
The general formula is R-CH(NH₂)-COOH
Step-by-step explanation:
An amino acid is the basic unit of proteins.
As the name suggests, amino acid contains essentially, one amino (NH-) group and a carboxylic group.
Both the amino group and carboxylic groups are attached on the same carbon.
The other two valencies of carbon are satisfied with hydrogen and/or alkyl groups/aryl groups.