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Logon to http://www.glencoe.com/sites/common_assets/science/virtual_labs/LS03/LS03.html
Read the information that is listed in the box on the left of your computer screen. Use it to answer the following
questions.
1. What is a selectively permeable membrane?
2.
Water passing through the membrane is called ________________________.
3.
When is equilibrium reached?
4. Define hypotonic in your own words.
5.
What could happen to a cell if it is placed in a hypotonic solution?
6.
Define isotonic in your own words.
7.
Define hypertonic in your own words.
8.
What would happen to a cell if it is placed in a hypertonic solution?
Read the objectives for this lab.
Read the Procedure for this lab and follow it.
Fill in the chart as you go through the lab.
Molecule
Red Blood
Red Blood
Elodea:
Name
Cell:
Cell:
Movement of
Movement of Appearance of Water IN/OUT
Water IN/OUT
Cells
Hypotonic
Solution
Isotonic
Solution
Hypertonic
Solution
Elodea:
Appearance of
Cell
Paramecium:
Movement of
Water IN/OUT
Paramecium:
Appearance of
Cell