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प्रश्न
Which of these is not related to endoplasmic reticulum?
विकल्प
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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उत्तर
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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संबंधित प्रश्न
Write down differences between nucleus and nucleoid
Name the following :(d) Functional segments of the DNA molecule.
Define the following term:
Nucleoplasm
The ‘control centre’ of the eukaryotic cell is
What are the essential components of a cell?
What are the functions of the nucleus?
How do substances like carbon dioxide (CO2) and water (H2O) move in and out of the cell?
Read the following statement and write the appropriate term against the statement.
I am like a policeman. I do not allow anything and everything to get in and out of the cell. Who am I? ...................
Name a cell that lacks a nucleus.
List the functions of the Nucleus.
