1.

An alpha-amino acid exists as, overset(+)(NH_3)-underset(R)underset(|)CH-COOH at (pH=2) and its isoelectric point is 6. The amino acid at pH 10.97 will exist as :

Answer»

`OVERSET(+)(NH_3)-UNDERSET(R)underset(|)CH-COO^-`
`NH_2-underset(R)underset(|)CH-COO^-`
`NH_2-underset(R)underset(|)CH-COOH`
`underset(+)(NH_2)-underset(R)underset(|)overset(-)CH-COOH`

ANSWER :B


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