Which of the following is not an alpha-a...

Which of the following is not an `alpha`-amino acid?

A

`underset(NH_2)underset(|)CH_2-COOH`

B

`H_3C-underset(NH_2)underset(|)CH-COOH`

C

D

`H_3C-underset(NH_2)underset(|)CH-CH_2COOH`

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Verified by Experts

The correct Answer is:

D

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