Biology

Biology, 27.07.2019 22:20, jetblackcap

Scientists are studying how a particular molecule gets in and out of cells. they add a large quantity of the molecule to the cells' external environment and note that the substance moves into the cells. if they inject the substance directly into the cell, they find that it cannot get out.

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Biology, 20.07.2019 19:30, brooket30057

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Biology, 02.10.2019 03:10, Raechelrae04

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