NOTES - Q uick ie What is the first thing that comes to...

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Quickie What is the first thing that comes to your mind when you hear the word “CELL”? What do you think a cell is? Are all cells alike? Are cell important? Are cells complicated?
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2 Basic Structure of a Cell
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3 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 4
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5 Number of Cells Organisms may be: Unicellular – that may organize
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6 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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7 Prokaryotes Nucleoid region contains the DNA Cell membrane & cell wall Contain ribosomes (no membrane) to make proteins in their cytoplasm
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8 Eukaryotic Cell Contain 3 basic cell structures: Nucleus Cell Membrane Cytoplasm with organelles
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9 Two Main Types of Eukaryotic Cells Plant Cell Animal Cell
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10 Organelles Very small size Can only be observed under a microscope Have specific functions Found throughout cytoplasm
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11 Organelles Found in Cells Examples of Organelles include:
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NOTES - Q uick ie What is the first thing that comes to...

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