cell structure

cell structure - Ba si c Str uctur e of a Cel l 1 I ntr...

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1 Basic Structure of a Cell
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2 I ntroduction to Cells Cells are the basic units of organisms C ells can only be observed under microscope Basic types of cells: Animal Cell Plant Cell Bacterial Cell
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The Cell Theory 1. All living things are made of 1 or more cells 2.All cells come from pre- exisiting cells 3. Cells are the basic unit of living things Atoms Molecules organelles cells tissues organs organ systems organisms 3
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4 Number of Cells Organisms may be: Unicellular – that may organize
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5 Prokaryotes include bacteria & lack a nucleus or membrane-bound structures called organelles Eukaryotes include most other cells & have a nucleus and membrane-bound organelles (plants, fungi, & animals) Cells May be Prokaryotic or Eukaryotic
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6 Prokaryotes Nucleoid region contains the DNA Cell membrane & cell wall Contain ribosomes (no membrane) to make proteins in their cytoplasm
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7 Eukaryotic Cell Contain 3 basic cell structures: Nucleus Cell Membrane Cytoplasm with organelles
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8 Two Main Types of Eukaryotic Cells Plant Cell Animal Cell
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9 Organelles Very small size Can only be observed under a microscope Have specific functions Found throughout cytoplasm
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10 Organelles Found in Cells Examples of Organelles include: Endoplasmic reticulum (rough & smooth) – canals for movement Golgi Bodies – wrap & export proteins Nucleolus – makes ribosomes Lysosomes – digests & gets rid of wastes Ribosomes – makes proteins
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This note was uploaded on 02/05/2011 for the course BIOL 2107 taught by Professor Brookshire during the Spring '08 term at Kennesaw.

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cell structure - Ba si c Str uctur e of a Cel l 1 I ntr...

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