Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1, Problem 4TY
Which of the following is an example of horizontal gene transfer?
- a. the transmission of an eye color gene from father to daughter
- b. the transmission of a mutant gene causing cystic fibrosis from father to daughter
- c. the transmission of a gene conferring pathogenicity (the ability to cause disease) from one bacterial species to another
- d. the transmission of a gene conferring antibiotic resistance from a mother cell to its two daughter cells
- e. all of the above.
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Some strains of Escherichia coli bacteria have acquired the ability to produce the harmful Shiga toxin, normally produced by Shigella dysenteriae. Which statements best explain why this occurs? Mark all that apply.
A. conjugation between two different species of bacteria allowed both strains of bacteria to express a virulence factor
B. transformation resulted in expression of a virulence factor
C. horizontal gene transfer between different species of bacteria
D. transduction of a specific gene resulted in expression of new traits
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c. Production of enzymes that bind to and break down the specific antibiotic.
d. Production of a cell membrane pump that translocates antibiotics outside the cell.
A potential side effect of antibiotic use is a secondary bacterial or fungal infection, usually associated with regions like the skin, upper-respiratory tract or genitalia. What is the most likely reason for the formation of these secondary infections?
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b. Organisms that are antibiotic resistant are usually more virulent, meaning they can survive and cause infection.
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In the 1953 study by Hershey and Chase
A. 32P was found in supernatants after T2 infection
B. 35S was found in bacterial pellets after T2 infection
C. E. coli genomes were inherited after T2 infection
D. RNA was excluded as THE heritable material
E. T2 coats were removed with a blender after initial phage binding
Chapter 1 Solutions
Biology
Ch. 1.1 - At which level of biological organization would...Ch. 1.1 - Prob. 1BCCh. 1.2 - What is the relationship between biological...Ch. 1.2 - How does the concept of a tree of life differ from...Ch. 1.2 - Why is it useful to place organisms into taxonomic...Ch. 1.2 - Biologists sometimes say that the genome is the...Ch. 1.2 - Figure 1.10 The three domains of life. Two of...Ch. 1.3 - What is the purpose of a control group in...Ch. 1.3 - Explain how discovery-based science helped...Ch. 1.3 - Discuss the difference between discovery-based...
Ch. 1.3 - What are the steps in the scientific method, also...Ch. 1.3 - Prob. 3EQCh. 1 - Prob. 1TYCh. 1 - Populations of organisms change over the course of...Ch. 1 - Prob. 3TYCh. 1 - Which of the following is an example of horizontal...Ch. 1 - The scientific name for humans is Homo sapiens....Ch. 1 - The complete genetic makeup of an organism a....Ch. 1 - Prob. 7TYCh. 1 - Prob. 8TYCh. 1 - Prob. 9TYCh. 1 - What is the purpose of using a control group in a...Ch. 1 - Of the first eight principles of biology described...Ch. 1 - Explain how it is possible for evolution to result...Ch. 1 - Prob. 3CQCh. 1 - Discuss whether or not you think that theories in...Ch. 1 - Prob. 2COQ
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