Cells Flashcards
___ membrane protein extended through the membrane
integral
Site of most ATP synthesis within the cell
mitochondria
Membrane bound enclosure containing DNA with the cell
nucleus
Net diffusion stops when this point is reached
equilibrium
A ___ solution has a greater concentration of solutes
hypertonic
Movement of molecules by Brownian movement, due to their kinetic energy
diffusion
___ proteins are attached to one or more leaves of the plasma membrane
peripheral
Structurally the plasma membrane of a cell is referred to as a phospholipid ___
bilayer
___ diffusion is the movement of small nonpolar molecules through the phospholipid bilayer
simple
In osmosis, water will leave the ___ solution
hypotonic
Net diffusion of water
osmosis
___ transport requires energy from ATP to move molecules against their concentration gradient
active
Bulk movement of molecules out of a cell
exocytosis
The plasma membrane of a cell is selectively permeable or ___
semipermeable
