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???)
  • 2011 cells

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

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