Biology, 26.10.2021 14:00 ErikHabdlowich
How does a substance cross the cell membrane in diffusion?
a- flowing down the concentration gradient
b- binding to a carrier protein
c- going through a pump
d- going through a channel protein
(ck-12)
Answers: 3
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How does a substance cross the cell membrane in diffusion?
a- flowing down the concentration gradi...
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