Questions 12-16 relate to DNA replication. Match using the words below A. DNA polymerase B. RNA polymerase C. Topoisomerase D. Helicase E. DNA ligase 12.____ catalyzes DNA synthesis in a 5' to 3' direction, adding dNTPs to the 3' end. 13.____which replication enzyme unwinds and separates the DNA strands? 14____ releases tension in supercoils of DNA

A. DNA polymerase B. RNA polymerase C. Topoisomerase D. Helicase E. DNA ligase 12.____ catalyzes DNA synthesis in a 5' to 3' direction, adding dNTPs to the 3' end. 13.____which replication enzyme unwinds and separates the DNA strands? 14____ releases tension in supercoils of DNA 15.____ Fills gaps between Okazaki fragments in lagging strand 16.____ Joins gaps in DNA

Sentence Arrange - Put the steps of DNA replication in order by writing a number in thespace before each statement.________Two new molecules of DNA are created.________DNA polymerase attach the free-floating nucleotides to the exposed nitrogen bases.________Helicase begins to break the hydrogen bonds between nitrogen bases.________Cell starts into the mitosis phase of the cell cycle.________Free floating nucleotides pair up with exposed nitrogen bases.

What are three key proteins required during DNA unwinding at the replication fork?Group of answer choicesDNA helicase, DNA gyrase, DNA polymeraseDNA polymerase, DNA gyrase, DNA ligaseDNA helicase, DNA gyrase, single stranded DNA binding proteinDNA polymerase, DNA gyrase, DNA ligase

Which of the following statements is true regarding DNA replication?Choose 1 answer:Choose 1 answer:(Choice A)   During lagging strand synthesis, ligase joins together multiple Okazaki fragments.ADuring lagging strand synthesis, ligase joins together multiple Okazaki fragments.(Choice B)   During leading strand synthesis, DNA polymerase synthesizes short, discontinuous strands of DNA.BDuring leading strand synthesis, DNA polymerase synthesizes short, discontinuous strands of DNA.(Choice C)   During lagging strand synthesis, topoisomerase separates complementary strands of DNA.CDuring lagging strand synthesis, topoisomerase separates complementary strands of DNA.(Choice D)   During leading strand synthesis, a DNA primer helps initiate DNA synthesis.DDuring leading strand synthesis, a DNA primer helps initiate DNA synthesis.

The following are enzymes required in DNA replication except A. DNA helicase B. Topoisomerase C. DNA primase D. DNA synthase