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Biology 8 Online
OpenStudy (anonymous):

When the required direction of transport is opposed to concentration levels, a cell (1)_______ expend energy to force (2)_____ across its membrane. (1) a. will b. will not (2) a. ions b. metals c. minerals

OpenStudy (anonymous):

I think it's a. will, and a. ions. Thanks for all your help... I'm beginning to think that nobody in the Biology section is alive-- quite ironic.

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