The term protein was coined by .............

Explanation

To answer the question "The term protein was coined by .............", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Term "Protein":**
- The term "protein" refers to a large biomolecule composed of one or more long chains of amino acids. Proteins play critical roles in the body, including structural support, transport, and catalysis of biochemical reactions.

2. **Origin of the Word "Protein":**
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