Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
active transport
|
the movement of chemcical substances usually across the cell membrane against a concentration gradient requires energy
|
|
|
sodium potasium pump
|
a carrier protein that uses ATP to actively transport sodium ions out of the cell and potasium ions into the cell
|
|
|
endocytosis
|
the process by which a cell membrane surrounds a particle and encloses a particle in a vesicle to bring a particle into the cell
|
|
|
vesicle
|
a small cavity of sac that contains materials in a eukaryotic cell; forms when part of the cell membrane surrounds the materials to be taken into the cell or transporte in the cell
|
|
|
pinocytosis
|
a method of active transport across the cell membrane in which the cell takes in extra cellular fluids
|
|
|
phagocytosis
|
the process by which a cell engulfs large particles of whole cells either as a defense mechanism or a means to obtain food
|
|
|
phagocyte
|
a cell that ingests and destroys foreign matter or micro organisms
|
|
|
exocytosis
|
the process by which a substance is released from the cell through a vesicle that transports the substance to the cell surface and then fuses with the membrane to let the substance out
|
