DNA RNA DNA Replication

What is the name of this enzyme?

• DNA Helicase

• DNA Ligase

• DNA polyermase

• RNA Polymerase

What is the role of DNA polymerase? (mark all that apply) ​

• Foster hydrogen bonds

• Foster phosphoester bonds

• Add free nucelotides

• Remove current phosphates

• Stabilize the DNA strand for replication

Many enzymes are involved in DNA replication. Which is the correct order of enzymes involved in DNA replication from beginning to end?

• Helicase, DNA primase, DNA polymerase, Ligase

• RNA primase, Helicase, DNA polymerase, Ligase

• Helicase, RNA primase, DNA polymerase, Ligase

• DNA primase, Helicase, RNA polymerase, Ligase

Click where the replication fork(s) would be found at.

Which gray box would be the other 5' end?

Which arrow is pointing to the original DNA strand?

Which arrow(s) is pointing to the lagging strand?

Which arrow(s) is pointing to the helicase?

Which is the last step of DNA replication?

• RNA Helicase unwinds original DNA strand

• DNA Primase lays down RNA primer for new nucleotide bases.

• RNA polymerase builds new strands by bring in new nucleotide bases.

• Ligase knits together fragments on lagging strand

Which letter in the picture below depicts the leading strand in DNA replication?

• A

• C

• B

• None of the above