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The Effect of Alcohol on Biological Membranes

Questions

1. Which alcohol damaged the beet at the lowest concentrations? How did you determine this?
2. Which of the three alcohols seems to affect membranes the most? How did you come to this conclusion?
3. At what percentage of alcohol is the cellular damage highest for methanol? ethanol? propanol?
4. Summarize your conclusions of this laboratory experiment. Use your data to answer the purposes of this experiment.

Challenge Question

1. What is the relationship between the size of the alcohol molecule and the extent of membrane damage? Hypothesize why this might be so.

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