Post on 31-Dec-2015
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Daily Notes
Life as we know it is not possible without water.
Explain why you
think water is
important for life!
Remember the 4 Molecules found in all cells?
Carbohydrates- feed the cell
Proteins- build and repair the cell
Nucleic Acids- instruct the cell
Lipids- control fluids in and out of the cell
Cell Membrane LabBig Question: How does a membrane affect the flow of water in and out of a cell?
1 - Work in groups of 4
2 – Test the ability of a ziploc bag to function as a cell membrane.
Supplies:1 – Ziploc bag2 – Water3 – Clear cup/bowl4 – Food coloring5 - Toothpicks
Visual Summary – page 22
Word Bank
lipid cell membrane
He-Man nucleic acid
molecule osmosis
protein dolphin
carbohydrate atom