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Handwashing. Which quadrant do you predict will
have the most bacteria? Scroll over the numbers to interpret these
data.
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Each
circular growth is called a colony. A colony results from growth of
a single cell (or group of cells, colony-forming unit). |
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Control.
No washing
After
first washing with water.
After third
washing with water.
After
first soap + water wash.
After
fourth soap + water wash.
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