In alanylglycylleucylalanylvaline, the number of peptide linkages is ___________.

Explanation

To determine the number of peptide linkages in the peptide "alanylglycylleucylalanylvaline," we need to follow these steps:

### Step-by-Step Solution:

1. **Identify the Amino Acids**:
The given peptide is composed of the following amino acids:
- Alanine (Ala)
- Glycine (Gly)
...