Download Cell Membrane and Organelle Webquest

Cell Membrane and Organelle Webquest
Name
Using the websites listed, answer the following questions.
Website #1: http://www.biologymad.com/cells/cellmembrane.htm
1. What invention came along that enabled us to better see the cell membrane?
2. What are the two parts (list the first two listed) of the cell membrane?
3. What is one of the cell membrane’s jobs?
4. What is the location of the cell membrane?
5. The heads of phospholipids (lipids) are
so they like to be with water.
6. The tails of phospholipids are
.
7. Click on Phospholipids
a. Draw a phospholipids and label the two parts.
b. The heads of phospholipids are composed of what two things?
c. What is another name of water-loving?
d. The tails of phospholipids are mostly what?
8. Click on the Back button (at the top of the Internet Explorer page)
9. Click on Osmosis.
a. When water diffuses, the process is called
b. Water moves from
of water to a
of water.
c. What type of membrane does water cross?
Website #2: http://www.tvdsb.ca/webpages/brownt12/files/osmosis.htm
1. Define osmosis.
2. Hypertonic solutions contain
concentration of solute when compared to another
solution.
3. When a cell is placed in a hypertonic solution, what happens to the cell?
4. Play the small movie.
5. Hypotonic solutions contains a
concentration of solute when compared to another
solution.
6. When a cell is placed in a hypotonic solution, what happens to the cell?
7. Play the small movie.
8. Isotonic solutions contain the
concentration of solute.
Website #3: Find your own using the following directions


Go to various webpages (you must list the pages you used NEXT to your answers – to make
sure they are legitimate websites!!!)
Click on one of the websites from this list and answer the following questions about cell organelles.
YOU CANNOT USE THE CELLS ALIVE WEBSITE!!!!!
1. What is the function of a cell wall?
2. What is the function of:
a. Ribosomes
b. Endoplasmic reticulum
c. Mitochondria
d. Chloroplasts
3. What is the make-up/composition of a cell membrane?
a. Draw and label a cell membrane.