2. Cell Chemistry & Cell Components
Simple and Facilitated Diffusion
Multiple Choice
Multiple ChoiceWhich type(s) of molecules cannot enter/exit the cell via simple diffusion and require facilitated diffusion?
A
Nonpolar oxygen gas molecules.
B
Charged Ca2+ ions
C
Nonpolar carbon dioxide gas molecules.
D
Nonpolar water molecules
E
Charged Na+ ions
F
b and e only
G
a, c, and d only
5:10m
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