Transcription of Chapter 3: CELL STRUCTURE & FUNCTION Unit 1: CELL: THE ...
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Chapter 3: CELL STRUCTURE & FUNCTION . Unit 1: CELL: THE UNIT OF LIFE. Cell STRUCTURE and Organelles Cell Molecular Components What is a cell? Water and Chemical properties Cell Membrane Cell theory Osmotic Properties of cells An overview of a cell Cell molecule transportation VIKASANA - BRIDGE - COURSE 2012. WHAT IS A CELL? Cell is the fundamental, structural and functional unit of all living organisms Robert Hooke (1665) an English scientist who observed honeycomb like dead cells and coined the term CELL. Anton Von Leeuwenhock first described a living cell (1667).
Smallest living cell is PPLO ( Pleuro Pneumonia Like Organism) - 0.1µm Largest living cell is Egg of an Ostrich , 170 to 180 mm in diameter. Bacteria –0.1 to 0.5 µm Sclerenchyma fibre upto 60cms in length IKASANA -BRIDG -COURSE 2012
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