1. Aim: How are Passive & Active Transport Different? DO NOW: 1.Explain the meaning of the picture. 2.Which path will you choose to take? Why?

2. Meaning of Term ‘Concentration’ How much you have of something

3. Passive Transport Transport of molecules across the cell membrane from an area of higher concentration to an area of lower concentration Easy for the cell to do (no ATP energy needed) Similar to riding your bike downhill Diffusion is a type of passive transport Osmosis is a type of passive transport Facilitated Diffusion is a type of passive transport

6. Diffusion of Sugar

7. Osmosis of Water

8. Diffusion of O 2 & CO 2

9. Facilitated Diffusion Transport protein in cell membrane “helps out” or facilitates (makes transport easier)

10. Active Transport Transport of molecules across the cell membrane from an area of lower concentration to an area of higher concentration Hard for the cell to do (ATP energy needed) Similar to riding your bike uphill

12. Passive vs. Active Transport

13. Animation http://www.sumanasinc.com/webcontent/ani mations/content/diffusion.html http://www.sumanasinc.com/webcontent/ani mations/content/diffusion.html http://www.sciencebook.dkonline.com/62.ht ml http://www.sciencebook.dkonline.com/62.ht ml

14. BrainPop Video https://www.brainpop.com/science/cellularlif eandgenetics/passivetransport/ https://www.brainpop.com/science/cellularlif eandgenetics/passivetransport/ https://www.brainpop.com/science/matteran dchemistry/diffusion/ https://www.brainpop.com/science/matteran dchemistry/diffusion/ https://www.brainpop.com/science/cellularlif eandgenetics/activetransport/ https://www.brainpop.com/science/cellularlif eandgenetics/activetransport/

15. Homework Read textbook pages 201-207 and answer questions 1, 2 and 4 on page 207. Write out questions and answers.