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TOPIC : Cells AIM : Describe the different cell organelles and their functions.

TOPIC : Cells AIM : Describe the different cell organelles and their functions. Do Now : Explain what organisms consist of. HW : Read p. 39. Write a paragraph describing the two types of cells that exist. Cell Membrane. “SECURITY GUARD”. Cell membranes are like gates. Plasma Membrane

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TOPIC : Cells AIM : Describe the different cell organelles and their functions.

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  1. TOPIC: Cells AIM: Describe the different cell organelles and their functions. Do Now: Explain what organisms consist of. HW: Read p. 39. Write a paragraph describing the two types of cells that exist.

  2. Cell Membrane

  3. “SECURITY GUARD”

  4. Cell membranes are like gates.

  5. Plasma Membrane • Surrounds the cell

  6. Semi-permeable or Selectively permeable: controls what enters & leaves the cell

  7. Cytoplasm

  8. Cytoplasm is the gelatin-like material that is found inside the cell membrane.

  9. Jellylike material • Holds cell organelles

  10. Nucleus

  11. “BRAIN” of the cell (Control center of the cell)

  12. Controls all cell activities • Stores hereditary information (DNA)

  13. Nucleolus: produces ribosomes

  14. Surrounded by the nuclear membrane

  15. Nucleus of a Mouse Spleen Cell

  16. Onion Cells

  17. Cheek Cell

  18. Ribosomes

  19. Produce proteins

  20. Found • Floating free in cytoplasm

  21. on Endoplasmic Reticulum

  22. Endoplasmic Reticulum (ER)

  23. “HIGHWAY OF THE CELL”

  24. Channels in the cytoplasm • Used to TRANSPORT materials • 2 types of ER:

  25. 1.Rough ER: ribosomes on surface

  26. 2.Smooth ER: no ribosomes on surface

  27. Rough ER

  28. Smooth ER

  29. TOPIC: Cells AIM: Describe the different cell organelles and their functions. Do Now: Take out your notes packet. You will be using the space under the Endoplasmic reticulum box. Write out numbers 1 – 10. HW: Work on your science fair project!

  30. Identify the cell organelle described: • Controls all cell activities. • Produces proteins. • Is selectively permeable. • Transports substances around the cell.

  31. 6. Produces ribosomes. 7. Has ribosomes on its surface. 8. Holds all cell organelles. 9. Contains DNA. 10. Controls what enters and leaves the cell.

  32. Mitochondria

  33. “POWERHOUSE” of the cell Mighty Mitochondria

  34. Where ENERGY is produced (cell respiration) ATP

  35. Vacuoles

  36. Stores materials (food, water, wastes…)

  37. Animal = many small • Plant = few large

  38. Golgi Bodies

  39. “UPS / POST OFFICE” • Collects, packages, and sends materials out of the cell

  40. Lysosome

  41. Contain digestive enzymesthat: 1. digest food 2. break down old organelles & bacteria

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