138x Filetype PPTX File size 0.24 MB Source: www.psd1.org
Label this one: Concentrations 1. Copy table and write your observations for both cylinders. Cylinder A Cylinder B Low/High (Circle 1) Low/High (Circle 1) concentration concentration 2. When your mom makes Kool-Aid she uses ½ cup of sugar. When you make Kook-Aid you use 2 cups of sugar. Compare the difference in concentration. Label this one: Selective Permeability 1. Write this statement: Selectively permeable means only some molecules can pass through the tiny spaces in a cell membrane. • Pour beaker contents into the sifter above the green tray. Shake the sifter into the green tray. 2. Write your observations 3. Explain how the sifter is like the selectively permeable membrane. • Pour green tray and sifter contents back into beaker for the next group!!!! Label this one: Cell Membrane Structure 1. Using the color key and color pencils draw and label the structure of the cell membrane Color key Proteins Water molecules Lipid Lipid Bilayer Bilayer Pore/Channel Label this one: Plasma/Cell Membrane Transport 1. Click on Plasma Membrane to answer the following: All substances that enter or exit the cell through 1. A. through the __________ _________ 2. B. through the ___________ embedded in the membrane 3. C. processes of _____________ or ____________ 2. Click on Oxygen and Carbon Dioxide Oxygen and Carbon Dioxide are similar because both_____.... 3. Click on Glucose and Sodium Glucose and sodium are similar because both____... 4. Click on Potassium and describe what happened. 5. Click on Enzyme and note what happened. http://www.pbslearningmedia.org/asset/tdc02_int_membraneweb/ Label this one: Active vs. Passive Transport Watch this you tube video. • Her explanations are legit! 1. Copy down what she says and does. • It’s okay to pause the video just don’t take too long! Set it back to the beginning for the next group. https://www.youtube.com/watch?v=EN2gbSZaQas
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