Nucleoli were discovered by

Options

A. Sutton
B. Fontona
C. Hertwig
D. Watson

Answer

To answer the question "Nucleoli were discovered by," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Nucleoli**:
- Nucleoli are small, dense structures found within the nucleus of a cell. They are primarily involved in the synthesis of ribosomal RNA (rRNA) and the assembly of ribosomes.

2. **Identifying the Discoverer**:
- The question specifically asks about the discovery of nucleoli, which is a part of the nucleus.

3. **Historical Context**:
- The discovery of nucleoli is attributed to a scientist named Felice Fontana. He made significant contributions to cell biology in the 18th century.

4. **Year of Discovery**:
- Felice Fontana discovered nucleoli in the year 1774.

5. **Conclusion**:
- Therefore, the correct answer to the question is that nucleoli were discovered by Felice Fontana.

### Final Answer:
Nucleoli were discovered by Felice Fontana.

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