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The effect of temperature on membrane permeability
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- Words:
- 1525
- Submitted:
- Wed Oct 20 2004
... The effect of temperature on membrane permeability Aim: This experiment aims to determine what affect an increase in the surrounding Temperature has on the plasma membrane of a typical plant cell structure. Hypothesis: An increase in temperature will damage and denature the proteins, which are Within plasma membrane and cause the cytoplasm and other substances Contained within the membrane to leak out. Introduction: The function of a cell membrane is to control the transport of substances moving Into and out of a cell. The membrane is an extremely thin layer 8 to 10 manometers (nm) thick, which is partially permeable. It consists mostly of lipids and proteins. The lipids found in cell membranes belong to a class known as triglycerides, so called because they have one molecule of glycerol chemically linked to three molecules of fatty acids. The majority belong to one subgroup of triglycerides known as phospholipids. In the cells of a beetroot plant, a substance
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