4.02 DNA weekly check in

What is the purpose of DNA replication?

• Cut the DNA

• Make more cells

• Delete the DNA strand

• Duplicate or make a copy of the DNA strand

Which enzyme seals or links the Okazaki fragments together on the lagging strand?

• Exonuclease

• Helicase

• DNA Polymerase

• DNA Ligase

Which enzyme is responsible for adding nucleotides to build the new strand of DNA?

• Topoisomerase

• DNA Polymerase

• Ligase

• Primase

This enzyme places short RNA sequences or primers to guide DNA Polymerase on where to start.

• Primers

• DNA Primase

• DNA Polymerase

• Topoisomerase

Okazaki fragments are found on the _______________ strand

• Leading

• Lagging

Enzyme that breaks hydrogen bonds (unzips)

• Ligase

• Polymerase

• Primase

• Helicase

DNA strand has the following bases AAGCCA what are the bases on the complementary strand

• GGCTTA

• TTGGGA

• CCAGGT

• TTCGGT