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A tour of the Cell (All cells share certain basic features. (The…
A tour of the Cell
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Microscopy: The development of instruments that extend the humans senses allowed the discovery and early study of cells.
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Until Recently, the Resolution barrier prevented cell biologists from using standard light microscopy when studying organelles.
Cell Fractionation: a useful technique which takes cells apart and separates major organelles and other subcellular structures from one another.
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Centrifugation: the resulting mixture (Homogenate) is centrifuged. The supernatant is poured into another tube and centrifuged at a higher speed for a longer period.
Differential Centrifugation: When the process of centrifugation is repeated several times. This "differential centrifugation" results in a series of pellets, each containing different cell components.
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