Question

A tripeptide is composed equally of L - valine, L - tyrosine and L - alanine (one molecule each).The number of isomeric tripeptides of this kind may exist is

• A. 4
• B. 5
• C. 6
• D. 7

Answer 1

The correct option is C

6

1.valine- tyrosine - alanine 2.valine - alanine - tyrosine

3.tyrosine - valine - alanine 4. Tyrosine - alanine - valine

5.alanine - valine - tyrosine 6. Alanine -tyrosine - valine