Question:

Which one of the following amino acids is optically inactive?

Show Hint

Remember that glycine is the only amino acid without a chiral center, making it optically inactive.
Updated On: Jun 18, 2025
  • Glycine
  • Methionine
  • Phenylalanine
  • Glutamine
Hide Solution
collegedunia
Verified By Collegedunia

The Correct Option is A

Solution and Explanation

Glycine is the only optically inactive amino acid. This is because it has two hydrogen atoms attached to its alpha carbon, making it achiral and unable to rotate plane-polarized light.
Was this answer helpful?
0
0