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 (water loving) polar heads ofthe phospholipid molecules face the outside and inside ofthe cell where water is found, and the hydrophobic (waterfearing) nonpolar tails face each other (Fig. 4.1). Inaddition to phospholipids, there are two other types oflipids in the plasma membrane.he hydrophilic (water loving) polar heads ofthe phospholipid molecules face the outside and inside ofthe cell where water is found, and the hydrophobic (waterfearing) nonpolar tails face each other (Fig. 4.1). Inaddition to phospholipids, there are two other types oflipids in the plasma membrane.