The cell membrane is _______________ permeable.
The cell membrane is mostly made of what?
What are the two parts of a phospholipid?
What forms due to a difference in concentration of particles on opposite sides of the membrane?
Particles move across the membrane ___________ attempting to reach equilibrium.
Particles continually moving across the membrane attempting to level concentrations of particles on both sides is __________________.
The phospholipid head is _____________ & _____________
The phospholipid tail is _____________ & _____________
What type of protein assist in moving specific particles across the membrane?
Ions such as Na+ and K+ are unable to move across the membrane freely because of what reason?