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Movement Through the Membrane

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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