Amoeba Sisters DNA Replication

This enzyme unzips the strands of DNA

• primase

• helicase

• polymerase

• ligase

• topoisomerase

puts the primer on the DNA so that the DNA polymerase knows where to start building a new strand of DNA.

• primase

• helicase

• polymerase

• ligase

• topoisomerase

keeps the unzipped stand from over winding

• primase

• helicase

• polymerase

• ligase

• topoisomerase

Which of the following lists the 4 major enzymes important in DNA replication?

• Helicase, DNA polymerase, Ligase, Primase

• Amylase, Lipase, Protease, Helicase

• DNA polymerase, RNA polymerase, Ligase, Primase

• Helicase, Ligase, Amylase, Primase

This uses the old strand of DNA as a set of directions to build the new strand of DNA.

• DNA polymerase

• RNA polymerase

• Helicase

• Ligase

Topoisomerase keeps the unzipped strand from over winding.

• Topoisomerase

• Helicase

• Ligase

• Primase

What happens in the Synthesis phase?

• makes DNA

• breaks down proteins

• divides the cell

• repairs RNA

DNA has _______________ strands of nucleotides.

• Two

• Three

• Four

• One

DNA stands for ____________________ ____________________.

• Deoxyribonucleic Acid

• Dioxyribonucleic Acid

• Deoxyribose Acid

• Dioxyribose Acid

Which enzyme is responsible for adding nucleotides to the growing DNA strand during replication?

• Helicase

• Ligase

• DNA Polymerase

• Primase