Identify the two enzymes involved in dna replication and describe what they each do

Any two of the following would do justice: 
- DNA Helicase unwinds the double helix by disrupting H bonds that bind the nitrogenous bases
- Single-stranded binding proteins prevent the separated DNA strands from re-attaching
- RNA Primer made up of multiple nitrogenous bases which are attached to the template strand and initiate the building of a new complementary strand i.e replication 
- Primase builds RNA primers
- DNA Polymerase I removes RNA primers and replaces them with appropriate DNA nucleotides
- DNA Polymerase III creates complementary strands of DNA, attach to an RNA primer, and add nucleotides to the 3' end 
- DNA Ligase joins Okazaki fragments together by phosphodiester bonds 
- DNA Gyrase relieves tension produced when DNA double helix is unwound by helicase

Ihaven't done that yet, so no idea,but this is not the right place to ask

D.) domain, kingdom, phylum, class, order, family, genus then species