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Which one of the following statements is...

Which one of the following statements is not correct?

A

Proteins are polyamides formed from amino acids.

B

Except glycine, all other amino acids show optical activity.

C

Natural proteins are made up of `L-` isomers of amino acids

D

`-NH_(2)` and -COOH groups are attached to different carbon atoms in `alpha-` amino acids.

Text Solution

Verified by Experts

The correct Answer is:
D
In `alpha-`amino acids, `-NH_(2)` and `-COOH` groups are attached to the same carbon atom.
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VMC MODULES ENGLISH-JEE MAIN REVISION TEST - 22 JEE - 2020-CHEMISTRY
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