A) Proteins are polyamides formed from amino acids.
B) Except glycine, all other amino acids show optical activity.
C) Natural proteins are commonly made up of L-isomer of amino acids.
D) In a-amino acids, \[-N{{H}_{2}}\] and \[-COOH\] groups are attached to different carbon atoms.
Correct Answer: D
Solution :
In \[\alpha \]-amino acids, \[-\,N{{H}_{2}}\] and COOH groups are attached to the same carbon atom,You need to login to perform this action.
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