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2011 cells

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  • All living things are composed of cells (Characteristic of Life) Basic units of structure and function of living things. New cells are produced from existing cells
  • Hooke - 1st light microscope
  • Contain their own DNA (former prokaryotes???)
  • Transcript

    • 1.
        Bioloy: Cells
        Building blocks of life!
    • 2.
        Cell Discovery
        Anton van Leeuwenhoek
        • Early 1600’s
        • 3. Saw tiny organisms in pond water
        Robert Hooke
        • 1665
        • 4. Saw tiny chambers in cork tissue
        • 5. Termed the tiny chambers “cells”
    • 6.
        Different Microscopes
      • Different microscopes reveal different aspects of this Green Algae
    • 7.
        Major Types of Cells
      • Prokaryotes
        • Bacteria
      • Eukaryotes
    • 11.
        Prokaryotes vs. Eukaryotes
      • Smaller, relatively simple
      • 12. NO Nucleus, but has DNA
      • 13. Ie. Bacteria
      • 14. Include cytoplasm, ribosomes, & genetic material
      • All contain Nuclei
      • 15. Most contain organelles
      • 16. Unicellular or multicellular organisms
      • 17. Animal, Fungi, Protists, & Plant Cells
    • 18.
        DNA in nucleus
        cytoplasm
        plasma membrane
        Fig. 4-3b, p.52
        Eukaryotic Plant Cell
    • 19.
        Fig. 4-13, p.58
        Plant Cell
    • 20.
        DNA in nucleus
        cytoplasm
        plasma membrane
        Fig. 4-3c, p.52
        Eukaryotic Animal Cell
    • 21.
        Animal Cell
        Fig. 4-14, p.58
    • 22.
        Cell Membrane
      • Thin, Flexible Barrier
      • 23. Protection and Support
      • 24. “ Skin” of the cell
      • 25. Boundary
        • Allows interactions w/surroundings
    • 26. Front and back views of a 3D model of the Golgi region in an insulin-secreting, mammalian cell
    • 27.  
    • 28.
        Cell Wall
      • Stronger layer outside of cell membrane
      • 29. Support & Protect
      • 30. Permeable to Water, Oxygen, CO 2 , & others
      • 31. Found in Plants, Algae, Fungi & Prokaryotes
    • 32.
        Cytoskeleton (Microtubules & Microfilaments)
      • Help the cell maintain its shape.
      • 33. Assists with movement
      • 34. Serve as “tracks” along which organelles move
      • 35. Form cilia & flagella
    • 36.
        Endoplasmic Reticulum (ER)
        Ribosomes
      • Made of RNA & Proteins
      • 37. Assembled in the nucleolus
      • 38. Makes proteins
      • Internal membrane system
      • 39. Assembles components (lipids) of the cell membrane (Smooth ER)
      • 40. Modifies proteins (Rough ER)
    • 41.
        Golgi Apparatus
      • Completes, stores, and moves products made in the ER (ie. Proteins)
      • Package finished material for shipment to final destinations
    • 42.  
    • 43.
        Lysosome
      • Stores enzymes to digests lipids, carbohydrates, & proteins
      • 44. Breaks down old cell parts
    • 45.
        Vacuole
      • Primarily found in Plants
      • 46. Sac-like structure
      • 47. Stores water and products
      • 48. Tiny vacuoles (called vesicles) are found in animal cells
    • 49.
        Chloroplast
      • Contains Chlorophyll
      • 50. Uses sunlight, carbon dioxide, & water to make food
        • Photosynthesis
        Chloroplast- site of photosynthesis Found commonly in plants.
    • 51.
        two outer membranes
        Thylakoid membrane, a much-folded single flattened compartment inside the stroma
        Fig. 4-20, p.65
        stroma (semifluid interior)
        central vacuole
        chloroplast in the cytoplasm of a plant cell
    • 52.
        Mitochondria
      • Converts food molecules into ATP (the “powerhouse”)
      • 53. Found in PLANTS & animals
      • 54. Contain their own DNA (former prokaryotes???)
      • 55. Humans inherit from their mom.
    • 56.
        Product? Functioning Society
        Cell Membrane
        Nucleus
        DNA
        Ribosomes
        Vacuoles
        Lysosomes
        Golgi Apparatus
        Mitochondria
        Rough ER
        Product? DNA - Protein - Trait
        H 2 O
        H 2 O
        L
        L
        L
        Trash
        King
        Food