DNA replication occurs through a complex series of steps involving several enzymes. Which of the following represents the correct order beginning with the earliest activity of enzymes involved in DNA replication?
(A) Helicase, ligase, RNA primase, DNA polymerase
(B) DNA polymerase, RNA primase, helicase, ligase
(C) RNA primase, DNA polymerase, ligase, helicase
(D) Helicase, RNA primase, DNA polymerase, ligase