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Cell Structure and Function

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Presentation on theme: "Cell Structure and Function"— Presentation transcript:

1 Cell Structure and Function
Prof. Ainar S.G.(M.Sc,M.Phil) Dept of Zoology,S.M.Joshi Collge , Hadapsar. F.Y.B.Sc

2 Cells Smallest living unit Most are microscopic

3 Discovery of Cells Robert Hooke (mid-1600s) Observed sliver of cork
Saw “row of empty boxes” Coined the term cell

4 Cell theory (1839)Theodor Schwann & Matthias Schleiden
“ all living things are made of cells” (50 yrs. later) Rudolf Virchow “all cells come from cells”

5 Principles of Cell Theory
All living things are made of cells Smallest living unit of structure and function of all organisms is the cell All cells arise from preexisting cells (this principle discarded the idea of spontaneous generation)

6 Cell Size

7 Characteristics of All Cells
A surrounding membrane Protoplasm – cell contents in thick fluid Organelles – structures for cell function Control center with DNA

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