In what respect would any two naturally occuring amino acids differ from one another ?

Explanation

To answer the question "In what respect would any two naturally occurring amino acids differ from one another?", we can break down the differences as follows:

### Step-by-Step Solution:

1. **Understanding Amino Acids**:
- Amino acids are organic compounds that serve as the building blocks of proteins. Each amino acid has a central carbon atom, an amino group (-NH2), a carboxyl group (-COOH), a hydrogen atom, and a variable side chain known as the R group.

2. **Identifying the Key Difference**:
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