Which formula represents an amino acid?
A. R-CH3(NH2)-COOH
B. R-CH(NH2)-COOH
C. R-CH2(NH2)-COOH
D. R-CH3(NH2)-COH
Answer:B
Which formula represents an amino acid?
A. R-CH3(NH2)-COOH B. R-CH(NH2)-COOH C. R-CH2(NH2)-COOH D. R-CH3(NH2)-COH