They all work in the digestive system and they all play a role in the digestive system
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Osmosis is the process cells use to move water molecules in and out of the cell through the cell membrane. When cells are put in different environments they will try to maintain an equilibrium with the water concentration outside the cell. Through osmosis the cell will lose or gain water molecules to become equal to the concentration in their environment.
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Evaporation.
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Most cases of dropping water levels are simply evaporation, usually caused by higher temperatures in warmer climates.
I believe it would be the bottleneck effect. hope that helps =)
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Gel electrophoresis is a technique used to separate DNA fragments according to their size. DNA samples are loaded into wells indentations at one end of a gel, and an electric current is applied to pull them through the gel. DNA fragments are negatively charged, so they move towards the positive electrode. Really easy
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