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Cells - Cells basic unit of life Cell Theor y • All...

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Unformatted text preview: Cells basic unit of life Cell Theor y • All living things are made of cells • cell - basic unit of life • Cells come from pre-existing cells 2 kinds of cells Prokaryotic Cells ‘before nucleus’ No nucleus lacks some organelles Ex: Archaebacteria & Eubacteria Eukaryotic Cells ‘true nucleus’ well-defined nucleus many organelles Ex: Protista, Plantae, Fungi, Animalia Prokaryotic/Eukaryotic Cell • Coolschool.com • Daviddarling.com • Globalchange.umich.edu • Biologyreference.com Why Cells are Microscopic are 3-dimensional have volume & depth What does that mean? Cells can be a certain size Cell membrane vs size Structure of Cell Membrane 2 layers of phospholipids sandwiched together- amphiphilic Fluid-Mosaic Model 1. Fluid – phospholipid layers 2. Mosaic – proteins & carbo molecules on surface of membrane • Nature.com Proteins on Cell Membranes 1. Receptor proteins - hormones 2. Channel proteins- allows H...
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Cells - Cells basic unit of life Cell Theor y • All...

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