Small Ions in Biological Fluids

Multiple Choice

Small ions in biological fluids:

A) encourage strong electrostatic interactions between oppositely charged macroions at low ionic strengths.
B) encourage strong electrostatic interactions between oppositely charged macroions at high ionic strengths.
C) have no effect on the interactions between oppositely charged macroions.
D) tend to cluster around macroions of the same charge.
E) have large effects on pH.