Movin’ On Out

Movin ’ On Out Molecules in Motion

The Gatekeeper ,[object Object],[object Object]

Permeable ,[object Object],[object Object],[object Object]

Not Permeable ,[object Object],[object Object]

Methods of Movement ,[object Object],[object Object],[object Object]

Diffusion ,[object Object],[object Object],[object Object],[object Object]

Osmosis ,[object Object],[object Object],[object Object]

Passive Transport ,[object Object]

Active Transport ,[object Object],[object Object]

Active Transport (cont’d) ,[object Object],[object Object]

Why are cells so small?? ,[object Object],[object Object],[object Object]

Why are cells so small? (cont’d) ,[object Object],[object Object]

Answers to the Study Guide Pages 58-59

1. Define osmosis . ,[object Object]

2. What happens to a red blood cell when there is no longer a lower concentration of water outside the cell than inside the cell? ,[object Object]

3. What happens to a red blood cell when there is a higher concentration of water outside the cell than inside the cell? ,[object Object]

4. Define passive transport . ,[object Object]

5. Name 2 examples of passive transport. ,[object Object]

6. Define active transport . ,[object Object]

7. An example of active transport is when the cell moves molecules in the __________ direction. ,[object Object]

8. What is the difference between active and passive transport? ,[object Object]

9. What are transport proteins ? ,[object Object]

10. Name 3 substances transport proteins move in and out of cells. ,[object Object]

11. Describe the steps in transport by engulfing. ,[object Object]

12. How is a molecule moved through a cell? ,[object Object]

13. What would happen if a cell became too large??? ,[object Object]

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