Biology, asked by saniaf425, 11 hours ago

Describe structure and function of nucleus with the help of diagram.

Answers

Answered by ejiroadegor2021
0

Answer: The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle.

The structure of a nucleus encompasses the nuclear membrane, nucleoplasm, chromosomes, and nucleolus.

Explanation:

Nuclear Membrane:

The nuclear membrane is a double-layered structure that encloses the contents of the nucleus. The outer layer of the membrane is connected to the endoplasmic reticulum.

Nucleoplasm:

Nucleoplasm is the gelatinous substance within the nuclear envelope.

Nucleolus:

Contained within the nucleus is a dense, membrane-less structure composed of RNA and proteins called the nucleolus.

Chromosomes:

Chromosomes consist of DNA, which contains heredity information and instructions for cell growth, development, and reproduction.

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