Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 17, Problem 4TYK
Summary Introduction
Introduction:
Bacterial transformation is the process of genetic alteration of a bacterial cell resulting from the direct uptake, incorporation, as well as expression of exogenous genetic material (exogenous DNA [deoxyribonucleic acid]) from its surroundings via the cell membrane.
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Which of the following is not one of the ways that Avery’s transforming principle resembles DNA?a. It migrates like DNA in a centrifuge.b. It is not destroyed by DNA-digesting enzymes.c. It migrates like DNA in an electric field.d. It is not destroyed by protein-digesting enzymes.
Which statement is true?
a.
There is no danger involved in recombinant DNA research in humans.
b.
Stringent safety rules make the use of recombinant DNA research impossible.
c.
There is no danger in releasing recombinant organisms into the environment.
d.
Stringent safety rules make the use of recombinant DNA research possible.
e.
There is no danger involved in recombinant DNA research in bacteria.
When Griffith injected mice with a combination of live rough-strain and heat-killed smooth-strain pneumococci, he discovered that (a) the mice were unharmed (b) the dead mice contained living rough-strain bacteria (c) the dead mice contained living smooth-strain bacteria (d) DNA had beentransferred from the smooth-strain bacteria to the mice (e) DNA had been transferred from the rough-strain bacteria to the smooth-strain bacteria
Chapter 17 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 17.1 - What are the properties of F+, F-, and Hfr cells...Ch. 17.1 - Prob. 2SBCh. 17.2 - Prob. 1SBCh. 17.2 - How does viral infection of an animal cell and a...Ch. 17.2 - Prob. 3SBCh. 17.3 - Prob. 1SBCh. 17 - Prob. 1TYKCh. 17 - Prob. 2TYKCh. 17 - Which of the following is not correct for...Ch. 17 - Prob. 4TYK
Ch. 17 - Prob. 5TYKCh. 17 - Prob. 6TYKCh. 17 - When a virus enters the lysogenic stage: a. the...Ch. 17 - An infectious material is isolated from a nerve...Ch. 17 - Prob. 9TYKCh. 17 - Prob. 10TYKCh. 17 - Prob. 11TYKCh. 17 - Discuss Concepts As a control for their...Ch. 17 - Prob. 13TYKCh. 17 - Prob. 14TYKCh. 17 - Prob. 15TYKCh. 17 - Prob. 1ITD
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- The first publications describing the successful production and intracellular replication of recombinant DNA appeared in the early 1970’s. Since then, there is a long list of breakthroughs achieved by recombinant DNA technology. But which one of the following are NOT on that list? Select more than one answer ifneeded. a) Recombinant Factor VIII protein for the treatment of hemophiliacs b) Positional cloning of over 100 human disease genes c) Bacteria producing human insulin for the treatment of diabetic patients d) Reproductive cloning of over a dozen humansarrow_forwardFollowing are four processes common to most cloning experiments: a) transforming bacteria b) plating bacteria on selective medium c) cutting DNA with restriction endonucleases d) ligating DNA fragments Place components of this list in the order in which they would most likely occur during a cloning experiment.arrow_forwardResearchers are designing several experiments to test the ability of Salmonella bacteria to develop antibiotic resistance. A culture of Salmonella bacteria is exposed to the same concentrations (200 mg/L) of an antibiotic for four days. The table shows the number of isolated resistant bacteria over a four-day period. Which of the following statements best explains these results? A - The bacteria were not affected by the antibiotic. B - After being exposed to the antibiotic, the bacteria altered their DNA. C - A new species of bacteria emerged after the antibiotics were introduced. D - Random mutations led some bacteria to be resistant and, over time, they increased in the population.arrow_forward
- Why is it important to use a hyperthermophilic DNA polymerase in PCR? a) Because only hyperthermophiles have DNA polymerases. b) Because hyperthermophilic DNA polymerase is able to resist the saline reaction conditions. c) Because hyperthermophilic DNA polymerase is faster than other polymerases. d) Because hyperthermophilic DNA polymerase is able to resist denaturation at 95℃.arrow_forwardYou have extracted a long piece of DNA from a human cell and you want to extract the gene of interest for you to clone it. Assuming that you know the sequence of the DNA what methods can youuse to amplify the gene of interest? A. antibody purification B. polymerase chain reaction C. none of the above D. ligationarrow_forwardIn another experiment, Griffith mixed heat killed S strain with live R strain bacteria and injected the mixture into mice. A. What strain of the bacteria was found in the blood samples of the mice? B. What were the results of this experiment? C. What conclusion did he reach based on these results?arrow_forward
- Put the following tasks in the order they would occur during a DNA cloning experiment. a. using DNA ligase to seal DNA fragments into vectors b. using a probe to identify a clone in the library c. sequencing the DNA of the clone d. making a DNA library of clones e. cutting genomic DNA with restriction enzymesarrow_forwardin Cohen-Boyer's recombinant DNA procedure _______ must be used for both the bacterial DNA and the amphibian DNA _______. a. the same restrictions enzyme, so that the the restriction site are identical in the DNA of each species b. different restriction enzymes, so that the genes outside the restriction site are maintained c. the same restriction enzymes, to ensure that the newly formed DNA can replicate d. different restriction enzymes, to ensure that the newly introducted genes are maintained in the bacterial DNAarrow_forwardPut the following tasks in the order they would occur during a DNA cloning experiment. a. using DNA ligase to seal DNA fragments into vectors b. using a probe to identify a clone in the library c. sequencing the DNA of the clone d. making a DNA library of clones e. cutting genomic DNA with restriction enzymesarrow_forward
- What carries a gene from one organism into a bacteria cell? a. a plasmid b. an electrophoresis gel c. a restriction enzyme d. polymerase chain reactionarrow_forwardCloning Genes Is a Multistep Process In cloning human DNA, why is it necessary to insert the DNA into a vector such as a bacterial plasmid?arrow_forwardWhich of the following would you need to clone a human gene? Choose all that apply a) A surrogate mother b) A plasmid vector (or other type of DNA vector, e.g. phage, BAC) c) A donor goat nucleus d) A restriction enzyme e) Human DNA f) An enucleated egg g) DNA ligasearrow_forward
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