Chapter 7 Cell Structure and Function

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Presentation transcript:

Chapter 7 Cell Structure and Function

7.1 History of Cell Theory Cell Theory: All living things are made of cells Cells are the basic unit of structure and function of organisms All cell arise from other cells

7.1 History of Cell Theory Timeline

7.1 History of Cell Theory Origin of some organelles Endosymbiosis Lynn Margulis

7.1 Prokaryotic and Eukaryotic cells

7.2 Cell Structures Make a chart or Venn diagram to compare structures (organelles) of prokaryotes and eukaryotes and bacteria, plant and animal cells and function of organelles Structures Prokaryote Eukaryote Function of organelle Bacteria Animal Plant Nucleus Cytoplasm Mitochondria

7.2 Cell Structures

7.2 Cell Structures Plant, Animal and Bacteria Cells

7.2 Cell Structures-Function http://www.youtube.com/watch?v=5L9-HU- 2j0A

7.2 Cell Structures-Fluorescent Micrographs Use antibodies with fluorescent molecules attached to visualize specific proteins associated with specific structures in cells

7.2 Cell Structures-Fluorescent Micrographs Cytoskeleton Actin (red) Microtublues (green) Nucleus (blue)

7.3 Movement Across Membranes Lipids, Proteins and Carbohydrates

7.3 Movement Across Membranes

7.3 Cell Membranes

7.3 Movement Across Membranes Diffusion and Active Transport-Movement of Substances across a semi-permeable membrane

7.3 Movement Across Membranes Osmosis and Osmotic Pressure-Movement of water across a semi-permeable membrane

7.4 Diversity of cellular life Prokaryotic Unicellular organisms-Bacteria

7.4 Diversity of cellular life Eukaryotic Unicellular Organisms-Fungi, Protists Yeast (fungus) Protists

7.4 Diversity of cellular life Multicellular organisms- Cell specialization- different cells have different functions- Nerves

7.4 Diversity of cellular life Multicellular organisms- Cell specialization- different cells have different functions-Muscle

7.4 Diversity of cellular life Multicellular organisms- Cell specialization- different cells have different functions-Bone

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