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Biology 7 Online
OpenStudy (anonymous):

Which of the following best describes a feature of the cell membrane's structure that allows molecules such as oxygen and hydrocarbons to easily cross the membrane and enter the cell?

OpenStudy (anonymous):

The bilayer contains mostly polar molecules. The bilayer is embedded with transport proteins. The interior of the lipid bilayer is hydrophobic. The exterior of the lipid bilayer is unsaturated.

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