JEE Main Chemistry question
How many of the following amino acids have a group in their side chain? (i) Cysteine, (ii) Aspartic acid, (iii) Glycine, (iv) Serine, (v) Valine, (vi) Threonine,
Answer: 2
Solution
Examining each side chain for an explicit methyl () group: cysteine, aspartic acid, glycine and serine have no methyl group in their side chains as drawn, while valine's
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