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Cell Transport

Cell Transport. Chris French, James Graessle , Mo Hnaino , Megan Pokal. Vocab. Diffusion : Process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated.

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Cell Transport

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  1. Cell Transport Chris French, James Graessle, Mo Hnaino, Megan Pokal

  2. Vocab • Diffusion: Process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. • Passive Transport: Movement of material down the concentration gradient. • Active Transport: Energy-requiring process that moves material across a cell membrane against a concentration difference.

  3. Osmosis: Diffusion of water through a selectively permeable membrane.(passive) • Endocytosis: Process by which a cell takes material into the cell by infolding of the cell membrane.(active) • Exocytosis: Process by which a cell releases large amounts of material.(active) • Isotonic: When the concentration of two solutions is the same. • Hypertonic: When comparing two solutions, the solution with the greater concentration of solutes

  4. Hypotonic: When comparing two solutions, the solution with the lesser concentration of solutes. • Facilitated Diffusion: Movement of specific molecules across cell membranes through protein channels. • Channel Protein: Form channels to allow specific molecules to flow through. • Carrier Protein: Change shape to allow a substance to pass through the membrane.

  5. Cell Membrane

  6. Simple Diffusion

  7. Facilitated Diffusion-Channel

  8. Facilitated Diffusion-Carrier

  9. Osmosis

  10. Endocytosis

  11. Exocytosis

  12. Hypotonic, Isotonic, and Hypertonic Solutions

  13. 10 Review Questions • 1. Diffusion of water through a selectively permeable membrane. • Faciliated • Osmosis • Endocytosis

  14. Process by which a cell takes materials into the cell by an infolding in the cell membrane. A. diffusion B. endocytosis C. osmosis

  15. 3. The solution with the lesser concentrated of solutes. A. Electrons B. Hypotonic C. Isotonic

  16. 4. The process by which molecules move from an area of high concentration to low concentration. A. Diffusion B. Atom C. Gene

  17. 5. the movement of material down the concentration gradient requires. No energy from the cell. A. Isotonic Transport B. Active Transport C. Passive Transport

  18. 6. When the concentration of two slotuions is the same. A. Isotonic B. Endocytosis C. Osmosis

  19. 7. Cells have genetic material that is not contained in a nucleus. A. Eukaryotes B. Nucleus C. Prokaryotic

  20. 8. Cells contain a nucleus in the which their genetic material is separated from the rest of the cell. A. Cytoplasm B. Eukaryotic C. Multicellular organism

  21. 9. What regulates what enters and leaves the cell and also provides protection and support? A. Lipid Bilayer B. Cell Membrane C. Cell wall

  22. 10. The composition of nearly all cell membranes is a double-layered sheet. A. Lipid Bilayer B. Cell Wall C. Plant D. Atom

  23. Answers to Review 1. B 2. B 3. B 4. A 5. C 6. A 7. C 8. B 9. B 10. A

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