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Transcript
Name ________________________ Chapter 4.1 – Guided Reading Section 1 – Exchange with the Environment Use text book pages 82-87 1. How is a cell like a factory? 2. Define diffusion. 3. Living organisms are surrounded by and filled with fluids that are made mostly of ______________. 4. Define osmosis. 5. Water particles move from an area of _________________ concentration to an area of ____________ concentration. 6. The cell membrane made up of a material called ______________________. 7. Give two examples of materials that are able to pass through the cell membrane. A. B. 8. Give two examples of materials that are too BIG to pass through the membrane and must pass through the protein doorways. A. B. 9. Define passive transport. 10. Passive transport ______ _____ require energy. 11. Define active transport. 12. Active transport _________ energy. This energy is from ______. Chapter 4/Guided Reading 13. What are two ways that the cell membrane moves large particles into and out of the cell? 14. ________________ Means “ within a cell” Draw a diagram of how this occurs. 15. As the particle enters the cell it is enclosed in a ______________. 16. _______________ Means “ outside of the cell” Draw a diagram of how this occurs. 17. Where are the vesicles (packages) formed that carry the particles to the cell membrane to leave the cell? Chapter 4/Guided Reading