Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 14, Problem 15RQ
A scientist randomly mutates the DNA of a bacterium. She then sequences the bacterium’s daughter cells, and finds that the daughters have many errors in their replicated DNA. The parent bacterium likely acquired a mutation in which enzyme?
- DNA ligase
- DNA pol II
- Primase
- DNA pol I
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Chapter 14 Solutions
Biology 2e
Ch. 14 - Figure 14.10 In eukaryotic cells, DNA and RNA...Ch. 14 - Figure 14.14 You isolate a cell strain in which...Ch. 14 - Figure 14.21 A fr am eshift mutation that results...Ch. 14 - If DNA of a particular species was analyzed and it...Ch. 14 - The experiments by Hershey and Chase helped...Ch. 14 - Bacterial transformation is a major concern in...Ch. 14 - DNA double helix does not have which of the...Ch. 14 - In eukaryotes, what is the DNA wrapped around?...Ch. 14 - Meselson and Stahl's experiments proved that DNA...Ch. 14 - If the sequence of the 5'-3' strand is AATGCTAC,...
Ch. 14 - How did Meselson and Stahl support Watson and...Ch. 14 - Which of the following components is not involved...Ch. 14 - Which of the following does the enzyme primase...Ch. 14 - In which direction does DNA replication take...Ch. 14 - A scientist randomly mutates the DNA of a...Ch. 14 - The ends of the linear chromosomes are maintained...Ch. 14 - Which of the following is not a true statement...Ch. 14 - During proofreading, which of the following...Ch. 14 - The initial mechanism for repairing nucleotide...Ch. 14 - A scientist creates fruit fly larvae with a...Ch. 14 - Explain Griffith's transformation experiments What...Ch. 14 - Why were radioactive sulfur and phosphorous used...Ch. 14 - When Chargaffwas performing his experiments, the...Ch. 14 - Provide a brief summary of the Sanger sequencing...Ch. 14 - Describe the structure and complementary base...Ch. 14 - Prokaryotes have a single circular chromosome...Ch. 14 - How did the scientific community learn that DNA...Ch. 14 - Imagine the Meselson and Stahl experiments had...Ch. 14 - DNA replication is bidirectional and...Ch. 14 - What are Okazaki fragments and how they are...Ch. 14 - If the rate of replication in a particular...Ch. 14 - Explain the events taking place at the replication...Ch. 14 - What is the role of a primer in DNA replication?...Ch. 14 - Quinolone antibiotics treat bacterial infections...Ch. 14 - How do the linear chromosomes in eukaryotes ensure...Ch. 14 - What is the consequence of mutation of a mismatch...Ch. 14 - An adult with a history of tanning has his genome...
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- Cloning Genes Is a Multistep Process Which enzyme is responsible for covalently linking DNA strands together? a. DNA polymerase b. DNA ligase c. EcoRl d. restriction enzymes e. RNA polymerasearrow_forwardWhich enzymes are involved in DNA replications? There are multiple answers. Helicase DNA polymerase RNA polymerase DNA ligase single strand binding proteins peptidyl transferase σ unit release factorsarrow_forwardCRISPER works by creating double strand breaks in DNA at targeted locations. By adding the donor DNA, the researcher is trying to force the cell to utilize which DNA repair pathway? Base excision repair Homologous recombination Nonhomologous end-joining Nucleotide excision repairarrow_forward
- In the figure, which ketter represents DNA polymerase 1 D AA BB C.C DD EEarrow_forwarda restriction enzyme cDNA a DNA library reverse transriptasearrow_forwardTransverion mutations result from wobble type mispairing during DNA synthesis or replication spontaneous chemical lesions slippage of DNA polymerases during DNA synthesis or replicationarrow_forward
- The flask where you grow the E. coli culture got exposed to UV rays, explain what kind of DNA damage can happen and how bacteria will repair the damage. Describe two DNA repair pathways.arrow_forwardA region of DNA has six copies of a trinucleotide repeat. During one round of replication, the template strand slips as shown in the diagram. How many repeats will the DNA have if the newly synthesized strand is used as a template in the next round of replication? 1 5'-CAG 3'-GTC GTC 4 2 GTCH 3 2 CAG CAG GTC 3 GTC 5 4 CAG-3' GTC -5' 6 Next round of DNA replicationarrow_forward_1. Bacterial proteins that have the ability to cut both strands of the DNA molecule at certain points 2. Contain foreign DNA 3. Is made by connecting segments of DNA from different sources _ 4. General term for a carrier used to transfer a foreign DNA fragment into a host cell 5. A small ring of DŇA found in a bacterial cell 6. The procedure for cleaving DNA from an organism into small segments, and inserting the f. genetic engineering or segments into another organism a. recombinant DNA b. vector c. restriction enzymes d. plasmid e. transgenic organisms recombinant DNA technologyarrow_forward
- Which enzyme catalyzes the elongation of a DNA strand in the 5' to 3' direction? Group of answer choices DNA ligase primase DNA polymerase I DNA polymerase IIIarrow_forwardIn the diagram below, which Okazaki fragment was produced first, A, B, or C? Fragment A Fragment B Fragment C A B C H overall directions of replicationarrow_forwardDNA replication is critical to the growth of microbes. Describe the mechanism used by prokaryotes to replicate their DNA.arrow_forward
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