Chapter 4- A Tour of the Cell

Chapter 4- A Tour of the Cell - Chapter 4 A Tour of the...

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Click to edit Master subtitle style 7/7/11 Chapter 4- A Tour of the Cell BSC1005 6-1-2011
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7/7/11 Two Major Categories of Cells Prokaryotic Cells- characterize the domains of Bacteria and Archaea (“prokaryotes”) Evolved 3.5 billion years ago Smaller and less complex These cells do not have organelles (“little organs”) Eukaryotic Cells- characterize the
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7/7/11 Prokaryotic vs. Eukaryotic Cells Prokaryotic Cell Animal Similarities: Cytoplasm (the space between the inner compartments of a cell and the plasma membrane), which is composed mostly of water and
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7/7/11 Prokaryotic vs. Eukaryotic Cells Prokaryotic Cell Animal Similarities: Plasma membrane (regulates traffic of molecules between the inside and outside of the cell) and ribosomes (help make proteins based on
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7/7/11 Animal vs. Plant Eukaryotic Cells Animal Plant Eukaryotic Most obvious differences: Plant eukaryotic cells have chloroplasts (convert light energy to chemical energy) and a cell wall (protective “coating” over
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7/7/11 Plasma Membrane 2 main components: lipids (phospholipids) and proteins Phospholipi ds
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7/7/11 Plasma Membrane: The Phospholipid Bilayer Phospholipid Bilayer Fluid Mosaic Model of the Cell Membrane
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7/7/11 Cell Surfaces of Plant and Animal cells Plant Cells Cell wall Outside of the plasma membrane Made from cellulose fibers Offers structural
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Chapter 4- A Tour of the Cell - Chapter 4 A Tour of the...

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