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Prokaryotic Cells
smaller
no membrane-bound organelles
Eukaryotic Cells
larger
store DNA in a membrane-bound nucleus
have membrane-bound organelles
What 4 things do all cells have?
plasma membrane
cytoplasm
DNA
ribosomes
Function of Plasma Membrane
Separates cell from surroundings
Function of channels in plasma membrane
allow specific molecules to pass through the membrane
function of pumps in plasma membrane
use energy to move specific molecules through the membrane in SPECIFIC DIRECTIONS
function of vesicles in plasma membrane
can bud off from or fuse with membrane to brings in or out of the cell
Phagocytosis
Process by which large molecules or cells/cell fragments can be brought into cells
Importance of Phagotycosis
nutrition
white blood cells destroying pathogens
Function of microvilli in plasma membrane
more surface area for absorption