Three processes that occur in cells re described in the box.
- Substances pass through pass through the lipid bilayer of a cell from areas of high concentration to areas of low concentration.
- Substances move through protein channels of the lipid bilayer of a cell from areas of high concentration to areas of low concentration
- Substances move through the lipid bilayer of a cell from areas of low concentration to areas of high concentration.
These processes are all examples of -
A. crossing over
B. the migration of genetic material
C. selective permeability
D. cellular energy use