Cell consists of two major parts. Cell membrane and protoplasm. Protoplasm consists of cytoplasm and nucleus.
Cell membrane :
Cell membrane is a thin, elastic structure that completely envelops the cell. Functions of cell membrane:
* Forms the boundary of cell
* Protection of cell
* Contains receptor for binding various chemicals.
* It regulates which substance will enter into pr leave from cell.
Protoplasm:
The different substance that make up the cell are collectively called protoplasm. Protoplasm is consisting of cytoplasm and nucleus. Protoplasm is composed of water,protein,lipids,carbohydrate,electrolytes etc.
1. Nucleus: It is the control center of the cell. Nucleus consist of
A) Nuclear membrane
B) Nucleoplasm: contains nucleolus and chromosomal metarials.
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