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Multiple choice

The optically inactive amino acid is

  1. serine

  2. glycine

  3. leucine

  4. all of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Glycine, or aminoethanoic acid (NH2CH2COOH) is the only amino acid that is not optically active as it does not contain a chiral carbon.

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