Biology
Given below is the structure of nucleus of a cell. Read the information below the diagram and fill in the blanks:
Nucleus is the most important part of the cell. It is located in the central area in animal cells but pushed towards the periphery in plant cells due to the presence of a large vacuole in the centre. It regulates and coordinates various life processes of the cell and also plays an important role in cell division.
Nucleus has a delicate, protective surrounding layer (a) …………… which is filled with a relatively dense fluid (b) …………… . There are certain thread-like structures suspended in the fluid called (c) …………… . These thin thread-like fine structures become thick and ribbon-like during the time of cell division. These prominent ribbon-like structures are called (d) …………… .Nucleus contains a spherical, dense body inside it, called as (e) …………… which participates in protein synthesis.
Cell
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Answer
Nucleus has a delicate, protective surrounding layer (a) Nuclear membrane which is filled with a relatively dense fluid (b) Nucleoplasm. There are certain thread-like structures suspended in the fluid called (c) Chromatin. These thin thread-like fine structures become thick and ribbon-like during the time of cell division. These prominent ribbon-like structures are called (d) Chromosomes. Nucleus contains a spherical, dense body inside it, called as (e) Nucleolus which participates in protein synthesis.
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