cell membrane Crossword

Are on the outside layer other cell
Allows some molecules in and keeps other molecules out
head is polar
tending to repel or fail to mix with water
having a tendency to mix with, dissolve in, or be wetted by water
the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
a film two molecules thick
compound of the sterol type found in most body tissues
Water's polarity is responsible for many of its properties including its attractiveness to other molecules
used to refer to a substance whose molecules do not have opposite positive and negative poles