Plasma membrane

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The natural tendency of molecules to move from higher to lower concentrations is________________.

diffusion

The outer layer of a cell that acts as a gatekeeper to a cell is the _____.

plasma membrane

What molecule forms the cell membrane?

phospholipids

A plasma membrane and a cell wall _____.

have different structures and different functions

Why do O2 and CO2 pass through the plasma membrane?

they are pumped through

The plasma membrane has a double layer of phospholipids with _____ dispersed throughout.

protein


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