Based on which of the following, amino acids are classified?
A. Based on the number of hydrogen
B. Based on the number of carbon atoms
C. Based on the number of ions
D. Based on the number of amino and carboxyl groups
Answer:D
Based on which of the following, amino acids are classified?
A. Based on the number of hydrogen B. Based on the number of carbon atoms C. Based on the number of ions D. Based on the number of amino and carboxyl groups