Before the lagging strand can begin assembling new DNA nucleotides, which of the following must occur?
a.OH bonds must be broken between the two strands of DNA
b.DNA polymerase I removes some material and replaces it with DNA
c.RNA primase constructs a short RNA primer
d.DNA Ligase forms a phosphodiester bond between the 3'OH of the growing strand and the 5' phosphate in front of it.
e.DNA polymerase III adds deoxyribonucleotides