Which of the following statement is not true about amino acid?
- AThe amino group and carboxylic group of an amino acid are attached to alpha carbon.
- BAmino acids have an N-terminus, C-terminus, and R groups.
- CAmino acid can be classified by the number of peptide bond.
- DEssential amino acids are not synthesized in the body, therefore have to be provided in the diet.
✓ Correct answer: C
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