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hydrogen ions to leak across it?

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Sucrose would be moved more quickly back into the cell cytoplasm by cotransport.

The apoplastic space would become more basic.

The rate of phloem loading would decrease.

The concentration of sucrose in the apoplastic space would increase.

Proton pumps in the plasma membrane would run at the same rate or even a little faster.

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Q: In plants that use an apoplastic route for sucrose to move from mesophyll cells to the phloem what would NOT occur if a protein was inserted into the plasma membrane that allowed hyd?
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