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When does the cell have to use active transport? A. when the cell is low on energy B. when the cell is in a highly concentrated solution C. to move molecules across the membrane quickly D. to move molecules across the membrane against a gradient
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The cell has to use active transport to move molecules across the membrane against a gradient.
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Asked 1/17/2013 9:29:35 AM
Updated 1/14/2017 7:57:47 AM
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The cell has to use active transport to move molecules across the membrane against a gradient.
Added 1/14/2017 7:57:47 AM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [1/14/2017 8:04:47 AM]
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Which of the following was NOT a German-occupied territory by 1943? A. Belgium B. The Netherlands C. Denmark D. Spain
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Updated 7/25/2015 8:34:56 AM
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Spain was NOT a German-occupied territory by 1943.
Added 7/25/2015 8:34:56 AM
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Confirmed by jeifunk [7/25/2015 9:09:26 AM]
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