primary metabolite : amino acids : : secondary metabolite : ……………

Explanation

To solve the analogy "primary metabolite : amino acids : : secondary metabolite : ……………", we need to identify an example of a secondary metabolite that corresponds to the example of a primary metabolite, which is amino acids.

### Step-by-Step Solution:

1. **Understanding Primary Metabolites**:
- Primary metabolites are essential for the growth and development of organisms. They include compounds like amino acids, sugars, and nucleotides.
- Example: Amino acids are the building blocks of proteins and are crucial for various physiological processes.

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