Which of the following amino acids does not correspond to the general formula:
$R - C H (N H_{2}) - C O O H ?$

Cysteine

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Proline

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Arginine

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Glutamic acid

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Solution

The correct option is B Proline
Among the given amino acids, cysteine, arginine and glutamic acid correspond to the general formula $R - C H (N H_{2}) - C O O H .$

However, proline does not correspond to the general formula:
$R - C H (N H_{2}) - C O O H,$ as $N$ in proline is a part of the ring and is secondary amino group.

Hence, option (b) is correct.

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Similar questions

(R - C H (N H_{2}) - C O O H)

R - C H (N H_{2}) - C O O H

\begin{matrix} H | H_{2} N & - & C & - & C O O H | R \end{matrix}

R

- C O O H

- C O O H

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