1.

Amino acids are classified as acidic, basic or neutral depending upon the relative number of amino and carboxyl groups in their molecule. Which of the following are acidic ?

Answer»

`(CH_(3))_(2)CH-underset(NH_(2))underset("|")"CH"-COOH`
`HOOC-CH_(2)-CH_(2)-underset(NH_(2))underset("|")"CH"-COOH`
`H_(2)N-CH_(2)-CH_(2)-CH_(2)-COOH`
`HOOC-CH_(2)-underset(NH_(2))underset("|")"CH"-COOH`

Solution :(B) and (D)
Amino acids with a greater number of -COOH GROUPS COMPARED to `-NH_(2)` are acidic amino acids.


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