Tuesday 11 August 2015

Cell - The basic unit of life

Cell is a basic unit of life and in other words it is also a structural and functional unit of life or an organism. It is the smallest unit capable of independent existence and performing the essential functions of life. The organism made up of one cell are called unicellular organisms and the organism consisting of many cells are known as multi-cellular organisms.
Brief History : The study of cell is called as Cytology. The term "cell" was given by Robert Hooke for the first time observed cork cell under the primitive microscope. Anton van Leeuwenhoek observed living cells for the first time. He was the first to discover bacteria, protozoans and other unicellular forms.


                                                           STRUCTURE OF PLANT CELL  

                             

                  
                                               



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