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_forwardIn the figure, which ketter represents DNA polymerase 1 D AA BB C.C DD EEarrow_forwardThe enzyme is used to remove tension from the DNA double helix during replication called? Restriction endonuclease Gyrase DNA polymerase Helicase Ligasearrow_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_forwardHow is bacterial DNA safe from digestion by Restriction Endonucleases? The plasmid of the bacteria provide antibiotic resistance Bacteriophage provide immunity to DNA degradation Foreign DNA outcompetes the chromosomal DNA Modification by methylation blocks the restriction enzyme actionarrow_forwardWhich enzyme starts at an RNA primer and elongates the new DNA strand? DNA primase DNA polymerase III RNA polymerase DNA ligase DNA polymerase Iarrow_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_forwardWhat was the purpose of adding RNase or protease to a DNA extract?arrow_forwardUse the gel to answer the following questions. You will be constructing a map of the plasmid, pDiddy. There are NO sites where multiple enzymes cut. How many base pairs long is the plasmid? 3kb 2kb 4kb 5kbarrow_forward
- Which protein directs the recombination exchange with a DNA that has failed a complete DNA replication? UvrA RecB MutC RecA MutHarrow_forwardThe DNA of all organisms replicates by Reverse replication dispersive conservative semi conservative parallelarrow_forwardWhich mechanism is utilized to replicate plasmids undergoing conjugal transfer? Rolling-circle replication O Modified rolling-circle replication where the displaced strand is concurrently with DNA transfer Theta replication Theta replication followed by rolling circle replicationarrow_forward
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