Amino acids usually exist in the form of Zwitter ions. This means that it consists of
  • AThe basic group $-N{H_2}$ and the acidic group $ - COOH$
  • BThe basic group $ - NH_3^ + $ and the acidic group $ - C{O_2}$
  • CThe basic group $  -CO_2^-  $ and the acidic group $NH_3^ + $
  • D
    No acidic or basic group
Medium
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