BIOXI09: BIOMOLECULES
335485
Which of the following statement is not true about amino acid?
1 The amino group and carboxylic group of an amino acid are attached to both amino and carboxylic groups to alpha carbon.
2 Amino acids have an \(\mathrm{N}\)-terminus, \(\mathrm{C}\)-terminus, and \(\mathrm{R}\) groups.
3 Amino acid can be classified by the number of peptide bond.
4 Essential amino acids are not synthesized in the body, therefore have to be provided in the diet.
Explanation:
Amino acids are the building blocks proteins. Amino acid can be classified on the basis of characteristics of their side chains.