Atoms needed in very small amounts function mainly as ………………………………… of enzymatic reactions.

Explanation

To answer the question, "Atoms needed in very small amounts function mainly as ………………………………… of enzymatic reactions," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Role of Atoms in Enzymatic Reactions**:
- Enzymatic reactions often require additional components to function effectively. These components can include various atoms or ions.

2. **Identifying the Term for Atoms in Small Amounts**:
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