Total number of tripeptides possible by mixing of valine and proline is .

Question

Total number of tripeptides possible by mixing of valine and proline is  .

Canvas Classes · Accepted Answer

Counting tripeptides from 2 amino acids (Val = V, Pro = P):

Each position in the tripeptide can be either V or P →  total combinations.

All possible tripeptides:
1. V–V–V
2. V–V–P
3. V–P–V
4. V–P–P
5. P–V–V
6. P–V–P
7. P–P–V
8. P–P–P

Since the N-terminus and C-terminus are distinct (linear peptide), all 8 sequences are different peptides.

Total =  tripeptides

Final Answer: 8

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