Write down the structural formula of the tripeptide formed by alanine, glycine and serine joined together in that order.

Explanation

To write down the structural formula of the tripeptide formed by alanine, glycine, and serine joined together in that order, we will follow these steps:

### Step 1: Identify the Amino Acids
The three amino acids we are working with are:
- Alanine (Ala, A)
- Glycine (Gly, G)
- Serine (Ser, S)

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