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4. Primase and telomerase enzymes are both considered types of A) DNA polymerases. B) retroviruses. C)...
Question 16 1 pts Which is true of RNA polymerases in both prokaryotic and eukaryotic organisms?...
Question 16 1 pts Which is true of RNA polymerases in both prokaryotic and eukaryotic organisms? They have the same number of cofactors in prokaryotes and eukaryotes. They are composed of an analogous a 2ßß'w core. They make copies of RNA from either DNA or RNA templates. There is a single enzyme type per organism. Question 17 1 pts What are E. coli sigma (o) subunits in RNA synthesis? transcription factors receptor proteins RNA polymerases ODNA promoter regions Question 11...
t sequence of enzymes necessary for DNA replication are he Meli Primase, Topoisomerase. b) Helicase To...
t sequence of enzymes necessary for DNA replication are he Meli Primase, Topoisomerase. b) Helicase To c) Helicase, Ton merase, Primase, DNA D merase II, and DNA Ligase erase, DNA Polymerasei t , and DNA Ligase d) Helicase, Topoisomerase, Primase, DNA Polymerase I, and DNA Ligase dDNA Ligase 58. DNA tesized in the 31 5' direction b) False 59. Eukaryotes have a single origin or replication a) True b) False Okaz 6U- KI Fragments are synthesized in the 3'-5' direction...
Compared to RNA elongation by RNA polymerases, DNA elongation by DNA polymerase requires an additional reaction...
Compared to RNA elongation by RNA polymerases, DNA elongation by DNA polymerase requires an additional reaction component. Which is appropriate for fulfillment of this requirement? Select one: a. a primase is needed for the biological DNA replication. b. a short DNA primer is necessary for PCR. c. a host tRNA is used for the synthesis of DNA by viral reverse transcriptase. d. All of these e. None of these
of chromosomes to avoid loss of gene 16. Which of the following enzymes adds DNA to...
of chromosomes to avoid loss of gene 16. Which of the following enzymes adds DNA to the ends of chromos material with duplication? a. Telomerase b. Polymerase c. Helicase d. Primase e. Ligase " Which of the following structures indicates where DNA replication ructures indicates where DNA replication begins?
DNA polymerases can add nucleotides only to a free hydroxyl group. As a result, a primer...
DNA polymerases can add nucleotides only to a free hydroxyl group. As a result, a primer made up of ________ is added by the enzyme _________. A. RNA; DNA polymerase II B. DNA; DNA polymerase I C. DNA; primase D. Okazaki fragments; primase E. RNA; primase
1. DNA is coiled around what type of proteins to form nucleosomes A. Polymerases DNA replication...
1. DNA is coiled around what type of proteins to form nucleosomes A. Polymerases DNA replication of the lagging strand is discontinuous B. Transcription factors DNA replication of the lagging strand is continuous C. Helicases D. Histones E. DICER 2. Which of the following statements is true? A. DNA replication of the leading strand is discontinuous B. DNA replication of the lagging strand is discontinuous C. DNA replication of the leading strand is dispersive D. DNA replication of the lagging...
16. Which of the following enzymes adds DNA to the ends or material with duplication? a....
16. Which of the following enzymes adds DNA to the ends or material with duplication? a. Telomerase b. Polymerase d. Primase e. Ligase 1. Which of the following structures indicates where DNA replication begins a. DNA polymerase III b. Replication fork C. Helicase d. Origin of replication e. Centromeres 18. A select mutation is causing a cell lineape to be unable to replicate DNA SUccessfully NA successfully. When observed under a microscope, researchers observe that the DNA is able to...
1. The clamp loader loads the sliding clamp onto the DNA. Review the steps listed below....
1. The clamp loader loads the sliding clamp onto the DNA. Review the steps listed below. Which step would come SECOND? a) ATP binds to the y (gamma) subunits, which undergo a conformation change. b) Double-stranded DNA passes through the ß clamp. c) They (gamma) — p clamp —ATP complex binds primed DNA. d) Y (gamma) subunits bind to and open the clamp. e) Single-stranded DNA passes through the side of the ß clamp loader gap. 2. Which of the...
The specific catalytic activity of the telomerase enzymes is best described as: a. Adding extra nucleotides...
The specific catalytic activity of the telomerase enzymes is best described as: a. Adding extra nucleotides to the 3' DNA overhang at the ends of each chromosome b. Adding extra nucleotides to both strands of DNA at the ends of chromosomes c. Removing 'junk' DNA from the ends of chromosomes d. Generating a new primer sequence on the very tip of the lagging strand after DNA replication e. Coordinating the binding of special telomere cap proteins that protect the ends...
Question 2. True / False (10 marks) Tor F The DNA sequences shown below are complementary...
Question 2. True / False (10 marks) Tor F The DNA sequences shown below are complementary to each other. AATTGCTACGTT AATTGCTACGTT I or F T or F b. Primase carries polymerase activity. c. In prokaryotes, RNA polymerases synthesize RNA at a lower rate than DNA polymerases because it takes time for RNA polymerase to perform proofreading. d. Reverse transcriptase activity is observed in DNA polymerase I in prokaryotes. The base in the following nucleotide is adenine. This nucleotide can be...
Question 16 1 pts Which is true of RNA polymerases in both prokaryotic and eukaryotic organisms? They have the same number of cofactors in prokaryotes and eukaryotes. They are composed of an analogous a 2ßß'w core. They make copies of RNA from either DNA or RNA templates. There is a single enzyme type per organism. Question 17 1 pts What are E. coli sigma (o) subunits in RNA synthesis? transcription factors receptor proteins RNA polymerases ODNA promoter regions Question 11...
t sequence of enzymes necessary for DNA replication are he Meli Primase, Topoisomerase. b) Helicase To c) Helicase, Ton merase, Primase, DNA D merase II, and DNA Ligase erase, DNA Polymerasei t , and DNA Ligase d) Helicase, Topoisomerase, Primase, DNA Polymerase I, and DNA Ligase dDNA Ligase 58. DNA tesized in the 31 5' direction b) False 59. Eukaryotes have a single origin or replication a) True b) False Okaz 6U- KI Fragments are synthesized in the 3'-5' direction...
of chromosomes to avoid loss of gene 16. Which of the following enzymes adds DNA to the ends of chromos material with duplication? a. Telomerase b. Polymerase c. Helicase d. Primase e. Ligase " Which of the following structures indicates where DNA replication ructures indicates where DNA replication begins?
1. DNA is coiled around what type of proteins to form nucleosomes A. Polymerases DNA replication of the lagging strand is discontinuous B. Transcription factors DNA replication of the lagging strand is continuous C. Helicases D. Histones E. DICER 2. Which of the following statements is true? A. DNA replication of the leading strand is discontinuous B. DNA replication of the lagging strand is discontinuous C. DNA replication of the leading strand is dispersive D. DNA replication of the lagging...
16. Which of the following enzymes adds DNA to the ends or material with duplication? a. Telomerase b. Polymerase d. Primase e. Ligase 1. Which of the following structures indicates where DNA replication begins a. DNA polymerase III b. Replication fork C. Helicase d. Origin of replication e. Centromeres 18. A select mutation is causing a cell lineape to be unable to replicate DNA SUccessfully NA successfully. When observed under a microscope, researchers observe that the DNA is able to...
Question 2. True / False (10 marks) Tor F The DNA sequences shown below are complementary to each other. AATTGCTACGTT AATTGCTACGTT I or F T or F b. Primase carries polymerase activity. c. In prokaryotes, RNA polymerases synthesize RNA at a lower rate than DNA polymerases because it takes time for RNA polymerase to perform proofreading. d. Reverse transcriptase activity is observed in DNA polymerase I in prokaryotes. The base in the following nucleotide is adenine. This nucleotide can be...
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