Which of the Following Is NOT True of the Polymerization

Multiple Choice

Which of the following is NOT true of the polymerization of macromolecules?

A) Water is added to join the monomers of the macromolecules.
B) The polymer chain usually has two different ends.
C) Macromolecules are synthesized by the stepwise addition of monomers.
D) Often the energy needed for polymerization is supplied by ATP.
E) A monomer is usually activated by the coupling of the monomer to a carrier.