The function of intracellular membrane is not to

Options

A. establish a number of compartments within the cell
B. provide for the neat spatial organisation of enzymes and pigments
C. keep the cell rigidity so that it does not collapse
D. provide a system of channel for the distribution of nutrients within the cell.

Explanation

**Step-by-Step Solution:**

1. **Understanding Intracellular Membrane:**
- The intracellular membrane refers to the membranes that enclose various organelles within a cell. This includes membranes around the nucleus, mitochondria, Golgi apparatus, endoplasmic reticulum, and other organelles.

2. **Functions of Intracellular Membrane:**
- **Compartmentalization:** One of the primary functions of intracellular membranes is to create distinct compartments within the cell. This allows for different biochemical processes to occur in isolation from one another, preventing interference.
- **Organization:** The membranes help organize the cell's internal structure, ensuring that organelles are correctly positioned and that their functions are compartmentalized.
- **Nutrient Distribution:** Intracellular membranes also facilitate the transport of molecules and nutrients between different organelles. For example, nuclear pores in the nuclear membrane allow for the exchange of proteins and RNA between the nucleus and the cytoplasm.

3. **Identifying the Incorrect Function:**
- The question asks which function is NOT performed by intracellular membranes. The options include:
- Establishing the number of compartments
- Providing neat spatial organization of enzymes and pigments
- Keeping the rigidity of the cell
- Providing a system of channels for nutrient distribution

4. **Analyzing the Options:**
- The first, second, and fourth options are true functions of intracellular membranes.
- The third option, "keeping the rigidity of the cell," is incorrect. Rigidity in plant cells is provided by the cell wall, while in animal cells, it is maintained by the cytoskeleton, not by the intracellular membranes.

5. **Conclusion:**
- Therefore, the function of intracellular membranes is NOT to keep the rigidity of the cell.

**Final Answer:**
The function of intracellular membrane is not to keep the rigidity of the cell.

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