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Nuclear envelope is a derivative of...

Nuclear envelope is a derivative of

A

membrane of Golgi complex

B

microtubles

C

rought endoplasmic reticulum

D

smooth endoplasmic reticulum

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**Step-by-Step Solution:** 1. **Understanding the Nuclear Envelope**: The nuclear envelope is a double membrane structure that surrounds the nucleus of a cell. It consists of two lipid bilayers. 2. **Composition of the Nuclear Envelope**: The nuclear envelope is made up of lipids and proteins. This combination is typical for biological membranes. 3. **Role of Endoplasmic Reticulum**: The proteins that are part of the nuclear envelope are synthesized in the endoplasmic reticulum, a key organelle in the cell. 4. **Identifying the Type of Endoplasmic Reticulum**: There are two types of endoplasmic reticulum: rough and smooth. The rough endoplasmic reticulum is characterized by the presence of ribosomes on its surface. 5. **Function of Ribosomes**: The ribosomes on the rough endoplasmic reticulum are responsible for synthesizing proteins. Since the nuclear envelope contains proteins, it is derived from the rough endoplasmic reticulum. 6. **Conclusion**: Therefore, the nuclear envelope is a derivative of the rough endoplasmic reticulum. **Final Answer**: The nuclear envelope is a derivative of the rough endoplasmic reticulum. ---
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