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involves water moving across the plasma membrane to the side with greater solute concentration
occurs when the plasma membrane surrounds a large substance inside the cell and moves it outside the cell
the condition that results when diffusion continues until the concentrations are the same in all areas
occurs when substances move against the concentration gradient; requires energy and the aid of carrier proteins
occurs when the plasma membrane surrounds a large substance outside the cell and moves it inside the cell
a molecule that has a glycerol backbone, two fatty acid chains, and a phosphate-containing compound
organisms that have cells lacking internal membrane-bound organelles Prokaryotes or Eukaryotes
separates prokaryotic and eukaryotic cells from the watery environment in which they exist
TEM Transmission electron microscope
only works if the specimen thats being magnified is dead, sliced very thin, and stained with heavy metals.
simple structure, contains a plasma membrane, does not contain membrane-bound organelles
movement of particles from an area of high concentration to an are of lower concentrstion. examples perfume in a room, a fart
transmit signals inside the cell, act as a support structure, provide pathways for substances to enter and leave a cell
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