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| a. | helicase | |
| b. | ligase | |
| c. | polymerase |
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- The following enzymes cannot catalyze the synthesis of DNA A.DNA polymerase B.DNA gyrase C.DNA ligase D.HelicaseWhich of the following enzymes is responsible for "exposing" or "unwinding" the DNA template (taking it out of its double helix) for DNA Replication? a. Topoisomerase b. Telomerase c. DNA Ligase d. Primase e. HelicaseChoose the combination of answers that most accurately completes the statement. Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easier
- Choose the combination of answers that most accurately completes the statement.Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easierChoose the combination of answers that most accurately completes the statement.The function of ligase is to a. rejoin segments of DNA c. synthesize cDNA b. make longitudinal cuts in DNA d. break down ligamentsWhich of the following enzymes is NOT involved in DNA replication? a. DNA Polymerase b. Primase c. Helicase d. Phosphatase e. DNA Ligase
- Four enzymes are listed below, match each to the correct definition. Definition Enzyme 4. Ligase 5. Primase 6. Gyrase 7. Helicase Answer a. Unwinds DNA b. Relieves tension in DNA during unwinding c. Links sugars and phosphates together d. Builds RNA primers C В ADNA polymerases make errors in matching as DNA is synthesized. These errors can be detected and repaired by: A. Ligase B. DNA polymerase C. Primase D. HelicaseThe enzyme responsible for the joining of Okazaki fragments is a. helicase b. primase c. DNA ligase d. DNA topoisomerase
- A student mixes various molecule needed for DNA replication. When he adds DNA, replication occurs, but each DNA duplex consists of a normal DNA strand paired with numerous segments of DNA a few hundred nucleotides long. What has been left out of the mixture? A. NTPs B. DNA polymerase III C. ATP D. DNA polymerase I E. DNA ligaseRefers to the two strands of DNA double helix. Please choose one answer only. A. Nicks B. Templates C. Chromosomes D. GenesDNA replication is carried out by a ________ enzyme. a. Helicase b. Polymerase c. Kinase d. Topoisomerase