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Microscopy, The Cell Membrane, & The Endomembrane System

Microscopy, The Cell Membrane, & The Endomembrane System. Units of Cell Size. Virus .02 – 0.25 um (20 – 250 nm). Prokaryotic cell: 2 – 10 um. Eukaryotic cell: 10 – 100 um. Types of Microscopes: Compound Light Microscopes vs. Electron Microscopes . Electron Microscopes: SEM TEM.

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Microscopy, The Cell Membrane, & The Endomembrane System

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  1. Microscopy, The Cell Membrane, & The Endomembrane System

  2. Units of Cell Size Virus .02 – 0.25 um (20 – 250 nm) Prokaryotic cell: 2 – 10 um Eukaryotic cell: 10 – 100 um

  3. Types of Microscopes: Compound Light Microscopes vs. Electron Microscopes

  4. Electron Microscopes: SEM TEM

  5. Compound Light Microscopes

  6. Calculating Total Magnification Total magnification = Magnification of Eyepiece X Magnification of Objective Lens

  7. Calculating Linear Magnification Magnification = Size of the Image Actual Size of the Object Actual object size = Size of the Image Magnification The image size of this E.coli cell is 43 mm, and its actual size is 2um. Using this information, calculate the magnification of the image.

  8. Making a Wet Mount Slide With your group… Create a wet mount slide of onion epidermal cells Sketch what your cells look like under the microscope (make sure to include the magnification on your sketch) Create a wet mount slide using salt water. Let your slide sit for 30 minutes before sketching and making observations!

  9. The Cell Membrane Review: The Fluid Mosaic Model A B F C E D

  10. Types of Transport Review 2 1

  11. Endocytosis and Exocytosis

  12. Endocytosis and Exocytosis: What other organelles are involved?

  13. Endocytosis: A Closer Look Phagocytosis Pinocytosis (Cell Eating) (Cell Drinking) LIQUID! NON-SPECIFIC! SOLID MATERIAL! RECEPTOR MEDIATED! Amoeba phagocytosis Macrophage (white blood cell) phagocytosis Liver cells

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