cell tour exam1

cell tour exam1 - Organization of the Cell Campbell Chapter...

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Organization of the Cell Campbell Chapter 6
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Cells Basic Unit of Life Cell Theory All organisms are composed of cells and all cells come from pre-existing cells Cells are small 0.1 - 100 μ m
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Cells Basic Unit of Life Cell Theory All organisms are composed of cells and all cells come from pre- existing cells Cells are small 0.1 - 100 μ m Need large surface/volume ratio Larger organism - more cells
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Cells Prokaryotes vs Eukaryotes Prokaryote Eukaryote Cell types Bacteria, Archaea Animals, plants, fungi, protists Size 0.1 - 10 μ m 10 - 100 μ m Cell membrane Yes Yes Ribosomes Yes Yes Cytoplasm Yes Yes DNA Yes Yes Cell wall Yes Some (plants, fungi) Nucleus No Yes Membranous organelles No Yes Cytoskeleton Yes Yes
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Visualizing Cells Light Microscopy (> 0.2 μ m) QuickTime p and a TIFF (LZW) decompressor are needed to see this picture. QuickTime and a TIFF (LZW) decompressor are needed to see this picture.
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Visualizing Cells Electron Microscopy (>0.2 nm) TEM (transmission electron microscopy) - thin slices of cells - 2D view SEM (scanning electron microscopy) - look at surface of cells - see 3D view
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Eukaryotic Cells Overview Animal cell Plant cell Common features: plasma membrane, nucleus, ribosomes, ER, Golgi apparatus, centrosome, mitochonria, cytoskeleton, peroxisome
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1. Which of the
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This note was uploaded on 04/17/2008 for the course BIOL 116 taught by Professor Meyer during the Spring '08 term at Austin College.

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cell tour exam1 - Organization of the Cell Campbell Chapter...

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