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Biology, 23.11.2019 18:31 zapatamylene24

The statement below refers to a structure of the cell.

oxygen diffuses through this structure, but a sodium ion may need active transport.
which structure is this statement most likely referring to?
a. a hydrogen pump
b. a permeable membrane
c. a cell wall
d. a semipermeable membrane

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The statement below refers to a structure of the cell.

oxygen diffuses through this stru...
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