Who called larger colloidal particles of primitives sea as coacervates :

Options

A. Fox
B. Oparin
C. Empedocles
D. Haldane

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Question**: The question asks who referred to larger colloidal particles in the primitive sea as "coacervates."

2. **Identifying the Options**: The options provided are Fawkes, Operin, Ampidocles, and Haldane.

3. **Defining Coacervates**: Coacervates are large, spherical, colloidal aggregates of macromolecules that are believed to have formed in the primitive sea. They are significant in the study of the origin of life as they represent a step towards the formation of living cells.

4. **Analyzing Each Option**:
- **Fawkes**: This option is incorrect as he did not coin the term "coacervates."
- **Operin**: This is the correct answer. Operin is credited with introducing the term "coacervates."
- **Ampidocles**: This option is also incorrect; he did not use the term.
- **Haldane**: This option is incorrect as well; he is not associated with the term "coacervates."

5. **Conclusion**: Based on the analysis, the correct answer to the question is Operin.

**Final Answer**: Operin

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