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Intracellular space is divided into two ...

Intracellular space is divided into two distinct compartments, i.e., luminal and extraluminal in :
(a) Nucleus
(b) Endoplasmic reticulum
(c) Golgi bodies
(d) Lysosomes

A

Nucleus

B

Endoplasmic reticulum

C

Golgi bodies

D

Lysosomes

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding which organelle divides the intracellular space into luminal and extraluminal compartments, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Terms**: - **Intracellular Space**: This refers to the space within a cell. - **Luminal Compartment**: This is the space inside organelles or structures, such as the lumen of the endoplasmic reticulum or other vesicles. - **Extraluminal Compartment**: This is the space outside of the luminal compartment but still within the cell. 2. **Analyze the Options**: - **(a) Nucleus**: The nucleus contains genetic material and is not primarily involved in creating distinct compartments like luminal and extraluminal. - **(b) Endoplasmic Reticulum (ER)**: The ER is a network of membranes that creates compartments within the cell. It has a lumen (the inside space) and is involved in the synthesis and transport of proteins and lipids, thus creating luminal and extraluminal spaces. - **(c) Golgi Bodies**: The Golgi apparatus is involved in modifying, sorting, and packaging proteins but does not create distinct luminal and extraluminal compartments in the same way as the ER. - **(d) Lysosomes**: Lysosomes contain enzymes for digestion and are not primarily responsible for compartmentalization of the cell. 3. **Identify the Correct Answer**: - Based on the analysis, the endoplasmic reticulum (option b) is the organelle that divides the intracellular space into luminal and extraluminal compartments. ### Conclusion: The correct answer is **(b) Endoplasmic reticulum**. ---
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