Protoplast lacks

Options

A. neutral
B. nucleus
C. plasma membrane
D. cell wall.

Answer

### Step-by-Step Solution:

1. **Understanding Protoplast**:
- A protoplast is defined as a living cell that has had its cell wall removed. This means that the protoplast consists of the cell's protoplasm, which includes the cytoplasm and the nucleus.

2. **Components of Protoplast**:
- The protoplast contains:
- **Cytoplasm**: The gel-like substance within the cell membrane that contains organelles.
- **Nucleus**: The control center of the cell that contains genetic material.
- **Plasma Membrane**: The membrane that surrounds the protoplast and regulates what enters and exits the cell.

3. **Identifying What Protoplast Lacks**:
- Since the definition of protoplast specifies that it is a cell without a cell wall, we can conclude that the protoplast lacks the cell wall.

4. **Analyzing the Options**:
- The options provided are:
- A) Neutral
- B) Nucleus
- C) Plasma Membrane
- D) Cell Wall
- Based on our understanding, the protoplast does not lack a nucleus or plasma membrane, but it does lack a cell wall.

5. **Conclusion**:
- Therefore, the correct answer to the question "Protoplast lacks" is **D) Cell Wall**.