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Notebook Check 9/28/12 Chapter 3 3.1 p.24: Tree Map, Double-Bubble, Pro vs. Euk Cell (+15)

Notebook Check 9/28/12 Chapter 3 3.1 p.24: Tree Map, Double-Bubble, Pro vs. Euk Cell (+15) p.25/27: 3.1 Notes/Questions/Summary (+20) P. 26: Cell Video Notes (+10) 3.2 p. 28: Organelle Booklet (+25) p. 29: 3.2 Notes/Questions/Summary (+20) 3.3 p. 30: Cell Membrane Pictures (+15)

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Notebook Check 9/28/12 Chapter 3 3.1 p.24: Tree Map, Double-Bubble, Pro vs. Euk Cell (+15)

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  1. Notebook Check 9/28/12 Chapter 3 3.1 p.24: Tree Map, Double-Bubble, Pro vs. Euk Cell (+15) p.25/27: 3.1 Notes/Questions/Summary (+20) P. 26: Cell Video Notes (+10) 3.2 p. 28: Organelle Booklet (+25) p. 29: 3.2 Notes/Questions/Summary (+20) 3.3 p. 30: Cell Membrane Pictures (+15) p. 31: 3.3 Notes/Questions/Summary (+20) 3.4 p. 32: Diffusion, Osmosis, Solutions Pics (+15) p. 33/35: 3.4 Notes/Questions/Pg. 87 Question 1-4 (+25) p. 34: Osmosis and Diffusion Video Notes/LAB (+20) 3.5 p. 36: Endo vs. Exocytosis pics and double-bubble (+20) p. 37: 3.5 Notes/Questions/Summary (+20) On Pg.38Worth 225 pts!!!!!!

  2. Explain how perfume or food coloring can be used to describe diffusion?

  3. Diffusion: is the movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration. • The perfume is in high concentration in the bottle. When it is sprayed into the air, the perfume molecules will spread out into the air where there is a lower concentration of perfume.

  4. 3.5 Active Transport 2.1 Atoms, Ions, and Molecules • Set up Cornell Notes on pg. 37 • Topic: 3.5 Active Transport • Essential Question: • Explain how exocytosis and endocytosis differ from diffusion • Don’t forget to add it to your T.O.Contents! Explain how exocytosis and endocytosis differ from diffusion Key Concept: Cells use energy to transport materials that cannot diffuse across a membrane

  5. 3.5 Active Transport, Endocytosis, and Exocytosis KEY CONCEPT Cells use energy to transport materials that cannot diffuse across a membrane.

  6. 3.5 Active Transport, Endocytosis, and Exocytosis • Active transportrequires energy input from a cell and enables a cell to move a substance against its concentration gradient. • Drives molecules from a region of lower concentration to a region of higher concentration Low Draw on the top half of pg. 36 High Low High

  7. 3.5 Active Transport, Endocytosis, and Exocytosis • Energy=(ATP). • Uses transport protein pumps. • Cells use active transport to maintain homeostasis (balance).

  8. 3.5 Active Transport, Endocytosis, and Exocytosis • Phagocytosis is a type of endocytosis in which the cell membrane engulfs large particles. • Endocytosis is the process of taking material into the cell. Draw on the middle of pg. 36

  9. 3.5 Active Transport, Endocytosis, and Exocytosis • Exocytosis is the process of expelling material from the cell. • Opposite of endocytosis Draw on the bottom of pg. 36

  10. 3.5 Active Transport, Endocytosis, and Exocytosis • Homework: • On the top of pg. 36: • Please create a double-bubble comparing and contrasting exocytosis and endocytosis

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