lab report #1 - Melissa Halverson The Effect of Ethyl...

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Melissa Halverson The Effect of Ethyl Alcohol Concentration on Beet Cell Membranes Introduction Cell membranes are the gateway for many aqueous materials to get into the cell. Most of these materials get through the membrane by diffusion. The alcohol that we used in the experiment is the same kind of alcohol that is in alcoholic beverages that people consume. We researched the question that if the alcohol concentration is increased then the damage to the cell membrane will also increase. We already know that high levels of alcohol can cause damage to a person. It can lead to impairment of reactions, liver damage, and possibly even death. To see how much damage is caused by alcohol we used beet cells and measured the amount of betacyanin that leaked out from the cell membranes. The alcohol damages the cell membrane, and causes the betacyanin stored in the vacuoles to leak out into the alcohol concentration. If the betacyanin concentration is not very large then the cell membranes were not damaged too much. Our hypothesis was that if the alcohol concentration increases then the cell membranes will leak
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This note was uploaded on 04/07/2008 for the course BIO 1440 taught by Professor Horton during the Fall '07 term at University of Central Arkansas.

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lab report #1 - Melissa Halverson The Effect of Ethyl...

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