1.

How many different tripeptides can be obtained from alanine, glycine and phenylalanine, each tripeptide containing all the three amino acids?A. 8B. 6C. 7D. 5

Answer» Correct Answer - B
`3 xx 2 xx 1 = 3 = 6` tripedes are possible if each is used only once : `AGF, AFG, GAF, GFA, FAG, FGA`.


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