Biology
Grade-8
Easy

Question

All the following are sulfur-containing amino acids found in proteins except

  1. Cysteine
  2. Cystine
  3. Methionine
  4. Threonine

hintHint:

Threonine don't have sulpur.

The correct answer is: Threonine


    • Cysteine, cystine and methionine are sulphur-containing amino acids.
    • Threonine is a non-sulphur containing amino acid.
    • So, the correct option is d.

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