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Question
Which of these is not related to endoplasmic reticulum?
Options
It behaves as transport channel for proteins between nucleus and cytoplasm
It transports materials between various regions in cytoplasm
It can be the site of energy generation
It can be the site for some biochemical activities of the cell
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Solution
It can be the site of energy generation
Explanation -
Endoplasmic reticulum exists as a membranous network, which is connected to the outer membrane of the nucleus from one side and the plasma membrane to the other. It occurs in three forms
- Cisternae-closed fluid filled sac
- Vesicles
- Tubules It is of two types, smooth endoplasmic reticulum i.e., without ribosomes on its surface, and rough endoplasmic reticulum with ribosomes on its surface.
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