An isotonic solution is a solution in which the amount of dissolved material is equal both inside and outside of the cell. Water still flows in both directions, but an equal amount enters and leaves the cell. Hope this helps. :)
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In disproving the theory of spontaneous generation
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C. Less than 5% because technology had been formed and better perfomances to treated the infectious diaeas
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B. A chemical reaction transforms thermal energy into chemical energy
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Plants extract energy from food molecules the same way animals do — by cellular respiration. When plants do cellular respiration, they produce carbon dioxide and use oxygen just like animals do