Name an amino acid which is not aromatic.

Explanation

To answer the question "Name an amino acid which is not aromatic," we can follow these steps:

### Step-by-Step Solution:

1. **Understand Amino Acids**: Amino acids are the building blocks of proteins. They consist of a central carbon atom bonded to an amino group (-NH2), a carboxyl group (-COOH), a hydrogen atom, and a variable side chain (R group).

2. **Identify Aromatic Amino Acids**: Aromatic amino acids contain an aromatic ring in their side chain. Common examples include phenylalanine, tyrosine, and tryptophan.

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