Question

Explain in detail the structure and function of Nucleus along with neatly drawn and labelled diagram.​

Answer 1

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11th

Biology

Cell : The Unit of Life

Eukaryotic Cells

Draw a well labelled diagra...

BIOLOGY

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Asked on December 20, 2019 by

Bellatrix Sasmal

Draw a well labelled diagram of nucleus.

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ANSWER

The nucleus is considered as the director or controller of the cell.

The nucleus is a double membrane-bound organelle. The nuclear envelope consists of two membranes, an outer membrane, and an inner membrane.

The nuclear membrane is perforated by apertures known as nuclear pores.

Nuclear membranes surround the cytoplasm of nucleus known as nucleoplasm. DNA is present in nucleoplasm in the form of chromatin. When the cell prepares to divide, the chromatin condenses and thickens into chromosomes.

Within the nucleus is present a spherical body known as nucleolus which is closely associated with nucleolar organizer region of two or more chromosomes of the set.

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SORRY BUT I CANNOT DRAW AND LABLE

MARK ME AS BRAAINLIST

Answer 2

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Nucleus a membrane-bound organelle found in eukaryotic cells. Eukaryotes usually have a single nucleus, but a few cell types, such as mammalian red blood cells, have no nuclei, and a few others including osteoclasts have many. The main structures making up the nucleus are the nuclear envelope, a double membrane that encloses the entire organelle and isolates its contents from the cellular cytoplasm; and the nuclear matrix, a network within the nucleus that adds mechanical support, much like the cytoskeleton supports the cell as a whole.

Function of nucleus:

• It controls the heredity characteristics of an organism.

• It main cellular metabolism through controlling synthesis of particular enzymes.

• It is responsible for protein synthesis, cell division, growth and differentiation