Download Cell Communication Web Activity

Cell Communication Web Activity
AP Biology 2012-13
Go to the following website and complete the questions below.
http://learn.genetics.utah.edu/content/begin/cells/
Click on How Comunicate during Fight or Flight
1. What 2 systems are involved in this response?
2. What are 2 responses of the hypothalamus with the perception of a threat or stress?
3. Where are the adrenal glands located? What do they release into the blood stream?
4. What causes cortisol to be released? What is the response in the different cell types to this
molecule?
5. How do the signaling molecules “boost” energy?
6. List the different types of reactions epinephrine causes in different cell types.
7. What is the overall effect of these cell signaling molecules?
Go back to the home page and click on Dropping Signals
Click on each type of cell and stimulus and record the response on the table.
Cell type
Light
Nitrous oxide
Cytokines
Hormones
Muscle
Photoreceptor
Cancer
Leaf parenchyma
Fibroblast
Go back to the home page and click on When Cell Communication Goes Wrong
1. What are 3 ways cell communication can go wrong?
2. What are the steps in normal blood sugar regulation?
3. What happens in type 1 diabetes? What can this disease lead to?
4. Describe the cause and effects of Multiple Sclerosis.
5. What is the difference between type 1 and type 2 diabetes?
6. How is glutamate produced and what is its effects on brain cells?
7. What are 4 mechanisms that maintain cell growth?
8. What events lead to a cell becoming cancerous?
9. How can cell communication be used as a treatment for disease?
Go back to the home page and click on The Inside Story of Cell Communication
1. Where can cell communication signals come from?
2. What is necessary for them to trigger a response?
3. Watch the video. Draw the membrane proteins before and after.
4. How do signals move through a cell?
5. What is a signaling pathway?
6. How can a signal turn into a large response?
7. What are 4 ways a signal can change the behavior of a cell?
8. What does “cross-talk” allow?