Active transport

is the secretion of materials through the plasma membrane from inside to outside

pump uses the energy to transport three sodium ions out of the cell while moving two potassium ions into the cell

Endocytosis or exocyctosis

What is the name of this structure ?

is the process by which a cell surrounds a substance in the outside environment, enclosing the substance in a portion of the plasma membrane.

The diffusion of water across a selectively permeable membrane

Sometimes substances must move from a region of lower concentration to a region of higher concentration, this is called

name those solutions

T / F movement of substances across the plasma membrane against a concentration gradient does not requires energy ( ATP )

Endocytosis or exocyctosis