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Cells: Plants and Animals
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1.Overview of Cells 2.Differences Between Plant and Animal Cells 3.Cells Organization within the Body 4.Tissue Overview Cells: Plants and Animals
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Cells in cork walled boxes that are similar to tiny rooms, or cellula, occupied by monks = "cell.“ Cells in a plant How Cells Were Named Cells in an animal
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Cell Size
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Cells Contain Organelles
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Comparing Animal and Plant Cells Animal Cell Plant Cell Variety of Shapes One or more small vacuoles Centrioles Lysosomes Often have cilia or flagella Cell Membrane Cytoplasm ER (smooth and rough) Ribosomes Mitochondria Golgi apparatus Nucleus Cell Wall Rectangular One large, central vacuole Plastids Chloroplasts Rarely have cilia or flagella
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Comparing Animal and Plant Cells Animal Cell Plant Cell Variety of Shapes One or more small vacuoles Centrioles Lysosomes Often have cilia or flagella Cell Membrane Cytoplasm Nucleus Mitochondria Endoplasmic Reticulum Golgi Apparatus Cell Wall Rectangular One large, central vacuole Plastids Chloroplasts Rarely have cilia or flagella
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Animal Cell
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Plant Cell
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Double layer of phospholipids controls the flow of water Animal Cell
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Cell Membrane Electron Microscope Image of Rickettsia felis Animal Cells
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Cell Membrane Electron Microscope Image of a Pollen Tube of an Orange Bush Monkey Flower Plant Cell
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Animal Cell Plant Cell Surrounded by double membrane Holds DNA Involved in cell division
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Nucleus Electron Microscope Image of a White Blood Cell Animal Cell
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Plant Cell Make energy for the cell Can be different shapes Surrounded by a double membrane
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Mitochondrion Electron Microscope Image of a Plant Cell Plant Cell
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Animal Cell Plant Cell Different functions depending on cell type Produces chemicals for the cell Controls the release of ions Collects proteins
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Endoplasmic Reticulum Electron Microscope Image of a Cartilage Cell Animal Cell
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Plant Cell Animal Cell Surrounded with a single membrane Packages substances to be transported
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Animal Cell Golgi Electron Microscope Image of a Bone Marrow Cell
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Comparing Animal and Plant Cells Animal Cell Plant Cell Variety of Shapes One or more small vacuoles Centrioles Lysosomes Often have cilia or flagella Cell Wall Rectangular One large, central vacuole Plastids Chloroplasts Rarely have cilia or flagella Cell Membrane Cytoplasm Nucleus Mitochondria Endoplasmic Reticulum Golgi Apparatus
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Comparing Animal and Plant Cells Animal Cell Plant Cell Variety of Shapes One or more small vacuoles Centrioles Lysosomes Often have cilia or flagella Cell Wall Rectangular One large, central vacuole Plastids Chloroplasts Rarely have cilia or flagella Cell Membrane Cytoplasm Nucleus Mitochondria Endoplasmic Reticulum Golgi Apparatus
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Membrane bound sac Intracellular digestion Release of cellular waste Generally small in animal cells Animal Cell
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Vacuoles Electron Microscope Image of a Pancreatic Cell Animal Cell
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Part of cytoskeleton of the cell Ring of nine groups of fused microtubules Groups of three microtubles Plants do not have centrioles Animal Cell
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Centriole Electron Microscope Image of a White Blood Cell Animal Cell
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Contain enzymes necessary for intracellular digestion In white blood cells, these lysozymes digest bacteria Cause cell death if improperly released into cytoplasm Animal Cell
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Electron Microscope Image of a Nerve Lysosome Animal Cell
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Lysosome Electron Microscope Image of a Nerve Animal Cell
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Lysosome Electron Microscope Image of a Nerve Animal Cell Lysosome
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Rigid, protective cell wall Made of polysaccharides Provides and maintains shape of the cell Protective barrier Animal Cells do not have a cell wall Plant Cell
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Electron Microscope Image of a Sunflower Leaf Plant Cell
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Membrane bound sac Store nutrients and waste products Increase cell size during growth Generally large in plant cells Plant Cell
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Central Vacuole Electron Microscope Image of a Guard Cell of a New Dawn Climbing Rose Plant Cell
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Contain chlorophyll, which allows the plant to make energy from sunlight Surrounded by a double outer membrane Plant Cell
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Chloroplast Electron Microscope Image of a Sugar Beet Plant Cell
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Comparing Animal and Plant Cells Animal Cell Plant Cell Variety of Shapes One or more small vacuoles Centrioles Lysosomes Often have cilia or flagella Cell Wall Rectangular One large, central vacuole Rarely have lysosomes Plastids Chloroplasts Rarely have cilia or flagella Cell Membrane Cytoplasm Nucleus Mitochondria Endoplasmic Reticulum Golgi Apparatus
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More About Animal Cells SERTOLI CELLLEYDIG CELLNERVE CELL EGG PITUITARY CELL
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Cells in Perspective
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ORGAN – Two or more types of tissues; larger functional unit e.g., skin, kidney, intestine, blood vessels Cells in Perspective TISSUE – Groups of cells with same general function and texture (texture = tissue) e.g., muscle, nerve, epithelium, and connective tis. CELL – Smallest unit, Simplest animals consist of a single cell. ORGAN SYSTEM - Several organs e.g., respiratory, digestive, reproductive systems CELL TISSUE ORGAN SYSTEM
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FOUR BASIC TYPES OF TISSUES IN THE BODY -------------------------------------- EpitheliumConnective tissue Muscular tissue Nervous tissue
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Functions : Cover organs, line organs, blood vessels, and secretory cells of glands Epithelium
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Function: binds the other tissues together to form organs include blood, cartilage, and bone Connective Tissue CONNECTIVE TISSUE
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Function: generation of contractile force Distribution: Smooth – involuntary movements of organs, respiratory tract, blood vessels, uterus, etc. Cardiac – involuntary contractions of the heart Skeletal – voluntary movements, mostly associated with the skeleton Muscle
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Nervous Tissue Functions: transmission, reception, and integration of electrical impulses Characteristics: neurons – very large excitable cells with long processes called axons and dendrites Glial cells – the supporting cells of nervous tissue Nerves – collections of neuronal processes bound together by connective tissue
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FOUR BASIC TYPES OF TISSUES IN THE BODY -------------------------------------- EpitheliumConnective tissue Muscular tissue Nervous tissue
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EPITHELIUM CONNECTIVE TISSUE MUSCULAR TISSUE NERVOUS TISSUE Where are these basic tissues located? Epithelium
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EPITHELIUM CONNECTIVE TISSUE MUSCULAR TISSUE NERVOUS TISSUE Where are these basic tissues located? Epithelium
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EPITHELIUM CONNECTIVE TISSUE MUSCULAR TISSUE NERVOUS TISSUE Where are these basic tissues located? Connective tissue
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EPITHELIUM CONNECTIVE TISSUE MUSCULAR TISSUE NERVOUS TISSUE Where are these basic tissues located?
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EPITHELIUM CONNECTIVE TISSUE MUSCULAR TISSUE NERVOUS TISSUE Where are these basic tissues located? Muscular tissue
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EPITHELIUM CONNECTIVE TISSUE MUSCULAR TISSUE NERVOUS TISSUE Where are these basic tissues located? Muscular tissue
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EPITHELIUM CONNECTIVE TISSUE MUSCULAR TISSUE NERVOUS TISSUE Where are these basic tissues located? NERVOUS TISSUE
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EPITHELIUM CONNECTIVE TISSUE MUSCULAR TISSUE NERVOUS TISSUE Where are these basic tissues located? NERVOUS TISSUE
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http://viewer.serenusview.com/Viewer.aspx?SlideId=d68a4e8e- 8932-492c-911c-0a2a968463aa http://viewer.serenusview.com/Viewer.aspx?SlideId=d68a4e8e- 8932-492c-911c-0a2a968463aa Plant Cells
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http://viewer.serenusview.com/Viewer.aspx?SlideId=2c7d93ed-dae2- 40bb-90fc-74253b381d4e Normal Blood Cells
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http://staging.digitalscope.org/Viewer.aspx?SlideId=b0af451a-ce41- 463b-ac84-68cb4e2d142e http://staging.digitalscope.org/Viewer.aspx?SlideId=b0af451a-ce41- 463b-ac84-68cb4e2d142e Abnormal Blood Cells
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Shapes of Epithelial Cells
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http://viewer.serenusview.com/LinkHandler.axd?LinkId=469f376 8-acb7-4ef3-aa82-2bdd18f77dc6 http://viewer.serenusview.com/LinkHandler.axd?LinkId=469f376 8-acb7-4ef3-aa82-2bdd18f77dc6 Intestinal Cells
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http://viewer.serenusview.com/LinkHandler.axd?LinkId=5a615 a12-3e73-4b15-a6fa-910ac47caf9f http://viewer.serenusview.com/LinkHandler.axd?LinkId=5a615 a12-3e73-4b15-a6fa-910ac47caf9f Eye Cells
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1.Overview of Cells 2.Differences Between Plant and Animal Cells 3.Cells Organization within the Body 4.Tissue Overview Cells: Plants and Animals
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