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The Importance of Membranes
Multiple Choice Quiz
Essay Quiz
Essential Study Partner
Osmosis
Fluid-mosaic Model 1
Fluid-mosaic Model 2
Extremophiles
Mem. Trans. & Intercell. Comm.
Raven/Johnson: Chapter 6
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Biology Laboratory Manual, 6/e
Darrell S. Vodopich, Baylor University
Randy Moore, University of Minnesota--Minneapolis
Exercise 9-Cellular Membranes
Complete the essay questions below and provide your answers as required by your instructor
1
Based upon your experiments in lab, which would destroy a cell membrane faster, boiling in water or soaking in 50% acetone? Why?
2
During the experiment in which you soaked beets in various concentrations of acetone and methanol, it was necessary to keep all of the beets at room temperature. Why was this necessary?
3
Considering what you have learned on the effect of high temperatures on cellular membranes, why do you think cooked food is easier to digest than uncooked?
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