A) it has a high capacity for heat.
B) it is not a common reactant in metabolic reactions.
C) It is not a good solvent.
D) it is liquid in a very narrow temperature range.
E) it is a nonpolar molecule.

A) catalysts.
B) in medical diagnosis.
C) in vitamins.
D) in the formation of hydrogen bonds.
E) as buffers.

A) as a component of cell walls.
B) as a long-term energy source.
C) as a short-term energy source.
D) to keep membranes flexible at low temperatures.
E) as a building block of DNA and RNA molecules.