Answer
see solution
Work Step by Step
All the possible tri-peptides that can be formed from thr, gly and ala :
i. thr-gly-ala
ii. ala-gly-thr
ii. gly-ala-thr
iv. thr-ala-gly
v. ala-thr-gly
vi. gly-thr-ala
As amino acids are asymmetrical, a peptide with amino acids in a particular order is different from a peptide with the same amino acids in the reverse order.
