Driving without a seatbelt is an example of which of the six health risk behaviors?

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

All eukaryotic cells contain small bodies called

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer