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JEE Main levelSingle correct optionDifficulty 2 of 3bm254

The amino acid shown is classified, by side chain and dietary requirement, as

  1. Anonpolar and aromatic; essential
  2. Bpolar uncharged; non-essential
  3. Caromatic; non-essential
  4. Dnonpolar aliphatic; essential

Answer: A

The side chain is a benzyl group, a nonpolar aromatic group. L-Phenylalanine cannot be synthesised by humans, so it must come from the diet and is essential.
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