How many tripeptides can be prepared by linking the amino acid glycin , alanine and phenyl alanine.?

Dear student
Please find below the solution to the asked query
 
The total number of amino acids prepared by linking the amino acid glycine, alanine and phenyl alanine will be six if all tripeptides contains all three amino acids. These are: 

1. Ala – Gly – Phe
2. Ala – Phe – Gly
3. Gly – Phe –​ Ala
4. Gly – Ala –​ Phe
5. Phe – Ala –​ Gly
6. Phe – Gly –​ Ala

Hope this information will clear your doubts about the topic.
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