change, alter, vary, modify mean to make or become different. change implies making either an essential difference often amounting to a loss of original identity or a substitution of one thing for another. changed the shirt for a larger size; alter implies a difference in some particular respect without suggesting loss of identity.
hydrophilic - having a strong affinity for water; tending to dissolve in, mix with, or be wetted by water. chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions.
The hydrophilic heads are on the outer part of the bilayer because they are water loving. Whereas the hydrophobic tails are on the inner part of the bilayer for two reasons.First, they are hydrophobic or water fearing so they will repel water. An example of hydrophobic is oil in water.he hydrophilic heads are on the outer part of the bilayer because they are water loving. Whereas the hydrophobic tails are on the inner part of the bilayer for two reasons.