Answer:
Plasma
membrane, cytoplasm and nucleus are three main functional region of a cell.
(3)
(i) Plasma membrane It is a thin, selectively permeable
membrane, covering the cell and is made up of lipids and proteins.
(ii) Cytoplasm It is an aqueous material containing
a variety of cell organelles along with non-living inclusions.
(iii) Nucleus It is the control centre of a cell. It
contains the cell's hereditary information (DNA). (2)
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