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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
Define the following term:
Nucleoplasm
Give an illustrated account of nucleus.
What is the location of following in the cell :
(a) Chromatin
(b) Chromosome
(c) Nucleolus
The ‘control centre’ of the eukaryotic cell is
Write a short note on nucleus
Name the organelles which show the analogy written as under
Storage sacs of the cell——
How do substances like carbon dioxide (CO2) and water (H2O) move in and out of the cell?
Draw a well labelled diagram of a eukaryotic nucleus. How is it different from nucleoid?
Bacterial cells can prepare food. Do you agree?
Define the following term:
Nucleus
