Cell+transport

=Cell Transport= In order for cells to survive, they need to get substances in and out of the cell. In the following activities, you will learn about three processes that move materials in and out of the cell. Two of the processes are considered to be passive and are known as osmosis and diffusion. You will also learn about another process that allows substances to enter or leave the cell known as active transport.

Osmosis and Diffusion To learn about the cell transport processes of osmosis and diffusion, click [|here]. Complete the activities in the table of contents following the sequence listed. Concepts 1 thru 8 need to be completed for basic understanding of passive cell transport. Take notes as you study the concepts. 1. Make a glossary of terms with definitions. Include the following terms in your glossary: 2. Design of the Experiment - Use from among the following materials to demonstrate diffusion and osmosis. Devise an experiment to show diffusion and osmosis. Discuss your procedure, results (remember it must show data or some type of measurement) and conclusion.
 * diffusion
 * osmosis
 * hypotonic
 * hypertonic
 * isotonic
 * solute
 * solvent
 * selectively permeable
 * water potential
 * concentration gradient
 * plasmolysis
 * turgor
 * active transport
 * facilitated diffusion

3. Analysis of the Activities: a. Osmosis. Take a photo from that activity to illustrate osmosis. Add at least 2-3 appropriate labels to prove that you understand the process. Write a paragraph at least 3 sentences long to prove that you understand osmosis. b. Diffusion. Include a photo from that activity to illustrate diffusion. Add at least 2-3 appropriate labels to prove that you understand the process. Write a paragraph at least 3 sentences long to prove that you understand diffusion.

4. Active Transport - Another way to get needed materials in or out of cells is known as active transport. To learn about active transport, click [|here]. You should study concepts 4 and 5. Take notes as you study concepts 4 and 5.

Questions (Be sure to split up this work and discuss as a group. I should see contributions by many different members of the group); 1. Compare and contrast diffusion and osmosis. You are responsible for discussing at least 3 similarities and or differences. 2. Why are diffusion and osmosis considered to be passive processes? 3. Compare and contrast passive cell transport with active cell transport. You are responsible for discussing at least 3 similarities and/or differences. 4. What question do you still have about cell transport? Do research or design and run an experiment to gather data to answer your question. Write a paragraph or make an outline of what you did and what you discovered. Remember to cite your sources.
 * Assessment:

**


 * Homework #6**: In paragraphs, discuss the processes of osmosis and diffusion and provide specific examples from the lab investigation to support your discussion. What best demonstrated the concept to you? Use the part of the lab that best explains the process.