RNA Primers Are Necessary in DNA Synthesis Because

Multiple Choice

RNA primers are necessary in DNA synthesis because

A) DNA polymerase is unable to initiate replication without an origin.
B) the DNA polymerase enzyme can catalyze the addition of deoxyribonucleotides only onto the 3´ (-OH) end of an existing strand.
C) RNA primase is the first enzyme in the replication complex.
D) primers mark the sites where helicase has to unwind the DNA.
E) All of the above