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Movement Through the Membrane

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Movement Through the Membrane. Mr. Luis A. Velázquez Academic Biology. Diffusion. Diffusion Motion of particle for high concentration To low concentration. This causes many substances to move across a cell membrane but does not require energy. What is Osmosis?.

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Movement Through the Membrane

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  1. Movement Through the Membrane Mr. Luis A. Velázquez Academic Biology

  2. Diffusion DiffusionMotion of particle for high concentration To low concentration. This causes many substances to move across a cell membrane but does not require energy.

  3. What is Osmosis? Osmosis is a type of diffusion. The movement of water across a semi permeable membrane. Osmosis is the movement of water through a semi permeable membrane to a higher concentration of solutes .

  4. Passive Transport • When material move from areas of high concentration to low concentration they don’t requires energy. • Examples • Diffusion • Facilitate Diffusion • Osmosis Particles Water

  5. Active Transport • When material move from areas of low concentration to high concentration they requires energy. • Examples • Endocytosis • Exocytosis

  6. Types of Endocytosis • Phagocytosis • Pinocytosis

  7. Phagocytosis

  8. Endocytosis

  9. Exocytosis

  10. Pinocytosis

  11. Interactive Review http://www.northland.cc.mn.us/biology/BIOLOGY1111/animations/passive1.swf

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