When the concentration of molecules are the SAME on both sides of the cell membrane, the solution is *
A. Hypertonic
B. In equilibrium
C. Hypotonic
D. Kinetic

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can

"a.) well–developed vascular system."

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.