Prions were studied by

Options

A. Raymer
B. Diener
C. Prusiner
D. Jacob.

Answer

**Step-by-Step Solution:**

1. **Understanding Prions**: Prions are misfolded proteins that can induce other proteins to also misfold, leading to infectious diseases. They are not viruses or bacteria but rather abnormal forms of proteins.

2. **Role of Prions in Disease**: Prions are known to cause neurodegenerative diseases in both humans and animals. In humans, they are responsible for diseases such as Creutzfeldt-Jakob disease, while in cattle, they cause Bovine Spongiform Encephalopathy, commonly known as mad cow disease.

3. **Identifying the Scientist**: The question asks who studied prions. The scientist who first isolated prions and proposed their role in neurodegenerative diseases is Stanley Prusiner. However, the options provided in the question include Raymer, Daniel, Prisoner, and Jacob.

4. **Evaluating the Options**:
- **Raymer**: Incorrect. He is known for contributions in medicinal biology and drug discoveries.
- **Daniel**: Not a recognized name in relation to prions.
- **Prusiner**: This is likely what is meant by "Prisoner," as it seems to be a typographical error or misunderstanding in the options.
- **Jacob**: Incorrect. He is known for the operon model in genetics.

5. **Conclusion**: Based on the information provided, the correct answer is "Prisoner," which refers to Stanley Prusiner, the scientist who studied prions.

**Final Answer**: Prions were studied by Prisoner (Stanley Prusiner).

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