The enzyme___ adds nucleotides of DNA in the ___direction when DNA is being semi-conservatively replicated.

Multiple Choice
DNA polymerase III; 3’ → 5’
DNA polymerase I; 3’ → 5’
DNA polymerase III; 5’ → 3’
DNA polymerase I; 5’ → 3’

DNA polymerase III; 5’ → 3’