Substance x is a charged molecule of small molecular, Ask an Expert

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Substance X is a charged molecule of small molecular weight. It is found at higher concentrations outside of cells than inside. How might substance X enter cells?

a. diffusion through a channel
b. diffusion through the lipid bilayer
c. active transport
d. all of the above
e. none of the above

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Biology, Academics

Category:- Biology
Reference No.:- M9443859

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