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Question
Which amino acid is not optically active?
Which amino acid is not optically active?
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Solution
The correct option is B Glycine
To be optically active, amino acid should have at least a chiral carbon. Chiral carbon means a carbon where 4 different groups are attached. In Glycine, Chiral carbon is absent so it is not optically active.
The rest of the 20 most common amino acids are optically active existing as both D and L stereoisomers.
To be optically active, amino acid should have at least a chiral carbon. Chiral carbon means a carbon where 4 different groups are attached. In Glycine, Chiral carbon is absent so it is not optically active.
The rest of the 20 most common amino acids are optically active existing as both D and L stereoisomers.
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