Passive transport is a type of cellular transport in which substances such as ions and molecules move down their respective concentration gradients. ... The four major types of passive transport are (1) simple diffusion, (2) facilitated diffusion, (3) filtration, and (4) osmosis
the movement of ions or molecules across a cellular membrane from a lower to a higher concentration, requiring the consumption of energy.
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Passive transport is a type of cellular transport in which substances such as ions and molecules move down their respective concentration gradients. ... The four major types of passive transport are (1) simple diffusion, (2) facilitated diffusion, (3) filtration, and (4) osmosis
the movement of ions or molecules across a cellular membrane from a lower to a higher concentration, requiring the consumption of energy.
base on my research