The term plasmalemma was coined by

Options

A. Robertson
B. Plowe
C. Strasburger
D. Overton

Answer

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

### Step-by-Step Solution:

1. **Identify the Term**: The term we are investigating is "plasmalemma." This term is often used interchangeably with "plasma membrane."

2. **Understand the Options**: We have four options to choose from:
- Option 1: Robertson
- Option 2: Plough
- Option 3: Schauberger
- Option 4: Overton

3. **Research Each Scientist**:
- **Robertson**: Known for the unit membrane model in 1959, but he did not coin the term plasmalemma.
- **Plough**: Janet Plough described the plasma lemma as a physical membrane separating two liquids, making her the correct choice for coining the term.
- **Schauberger**: A German plant cytologist who contributed to the field of cytology but did not coin the term plasmalemma.
- **Overton**: A biologist who worked on cell membrane theory but did not coin the term plasmalemma.

4. **Conclusion**: After analyzing the contributions of each scientist, it is clear that the term plasmalemma was coined by **Janet Plough**.

5. **Final Answer**: The correct answer is **Option 2: Plough**.