Download - Cells
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Cells
Theory, Types,Organelles, and Structure as related
to Function
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Theory
• The Wacky Cell Theory • So, the Cell Theory states:• All organisms are made of cells• All existing cells are produced by other living
cells• The cell is the most basic unit of life
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Contributors
Hook Leewenhoek Schleiden Schwann
Virchow
Hooke- the 1st to identify and name cellsLeewenhoek- made better lenses so was able to see cells in greater detailSchleiden-found that plants are made of cellsSchwann- concluded that all living things are made of cellsVirchow- proposed that all cells come from other cells
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Cells
• Prokaryotic Cells
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Cells
• Prokaryotic cells do NOT have a nucleus or other membrane-bound organelles. The DNA is suspended in the cytoplasm. All prokaryotes are
microscopic single cell organisms.
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Cells
• Eukaryotic Cells
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Cells
• Eukaryotic Cells have a nucleus and other membrane-bound organelles. The nucleus is the
largest organelle and encloses the genetic information. Eukaryotes may be multicellular or
single celled organisms.
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Graphic Organizer
• You make it…..NOW. • Move over to the lab tables• find a spot and • make a graphic organizer according to your
notes• Use the “butcher” paper provided • Put your name, date, class period at the top.
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Graphic Organizer
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Organelles
cytoskeleton nucleus vesicle
Endoplasmic reticulum ribosome centrioleGolgi apparatus mitochondrion
Lysosome cell wall chloroplastvacuole
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Cytoskeleton
• You and your partners will add this information on all the organelles in class and the best of the PP slides will be posted here.
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For Example Golgi Apparatus (Body)
• Consist of closely layered stacks of membrane enclosed spaces
• Packages proteins• Sorts and stores some of them for later• Transports others to other organelles in the
cell
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Cells in Comparison
•How SMALL is a cell anyway?
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Why are cells so ….well…. small?