book 2. Chapter 2 Flashcards
(6 cards)
1
Q
diffusion
A
the movement of particles from regions of higher density to regions of lower density
2
Q
Osmois
A
the diffusion of water through a semipermeable membrane
3
Q
Passive Transport
A
the movement of substances across a cell membrane without the use of energy by the cell
4
Q
Active Transport
A
the movement of substances across the cell membrane that requires the cell to use energy.
5
Q
Endocytosis
A
the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell.
6
Q
Exoytosis
A
the process in which a cell releases a particle by enclosing the particle in a vesicle that then moves to the cell surface and fuses with the cell membrane
