write two functions of nucleus
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- The nucleus plays a very important role to control the activities of the cell.
- The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle.
- A cell normally contains only one nucleus.
- The Nucleus regulates cell metabolism by synthesizing various enzymes.
- The nucleus controls the structures that contain hereditary information.
- It also stores the cell's hereditary material.
The following fig. will help you to understand:
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Robert Brown was the one who discovered the nucleus in 1831.
The nucleus is a double membrane structure. The space between the two parallel membranes is called the perinuclear space. It is 10 to 50 nm thick.
Some functions of the nucleus are listed below:
- The nucleus is responsible for regulating the cell metabolism, to do so it secretes certain enzymes.
- The nucleus stores genetic information.
- The transcription process that involves making mRNA from DNA takes place in the nucleus.
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