Transcription of CELL — S TRUCTURE AND FUNCTIONS Y
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CELL — S TRUCTURE AND FUNCTIONS Y
CELL STRUCTURE AND FUNCTIONSCELL STRUCTURE AND FUNCTIONSYou have already learnt that thingsaround us are either living ornon-living. Further, you mayrecall that all living organisms carry outcertain basic FUNCTIONS . Can you listthese FUNCTIONS ?Different sets of organs perform thevarious FUNCTIONS you have listed. In thischapter, you shall learn about the basicstructural unit of an organ, which is thecell. cells may be compared to are assembled to make a , cells are assembled to makethe body of every of the CellRobert Hooke in 1665 observed slices ofcork under a simple magnifying is a part of the bark of atree. He took thin slices of cork andobserved them under a microscope. Henoticed partitioned boxes orcompartments in the cork slice (Fig. ).These boxes appeared like a honey-comb. He also noticed that one box wasseparated from the other by a wall orpartition. Hooke coined the term cell for each box.
CELL — STRUCTURE AND FUNCTIONS 95 Cytoplasm It is the jelly-like substance present between the cell membrane and the nucleus. Various other components, or organelles, of cells are present in the
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