wesleycpaul1191 wesleycpaul1191

31-01-2018
Biology

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The plasma membranes of some plant cells use transport proteins to move protons out of the cell against their concentration gradient (from areas of low proton concentration to areas of high proton concentration). this is an example of:

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ramiwilson60p3k8ws ramiwilson60p3k8ws

03-02-2018

this is an example of active transport

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