CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
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Chapter 27.2, Problem 3CC
In a rapidly changing environment, which bacterial population would likely be more successful: one that has individuals capable of conjugation or one that does not? Explain.
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Students have asked these similar questions
Which of the following statements is TRUE?
Log cell numbers
1
Time
a) The generation time for bacteria is usually the same from species to species.
b) In the lag phase, cell death exceeds cell division.
c) Bacteria typically divide by budding, producing a daughter cell that is smaller
than the parental cell.
d) In the death phase, bacterial growth stops because of nutrient depletion and
waste accumulation.
An antibiotic is effective in killing 95% of a population
9)
of bacteria that reproduce by the process shown
below.
Which of the following statements best describes
future generations of these bacteria?
A) They will be produced by sexual reproduction
and will be just as susceptible to the antibiotic.
B) They will be produced by asexual reproduction
and will be just as susceptible to the antibiotic.
C) They will be produced by asexual reproduction
and will be more resistant to the antibiotic.
D) They will be produced by sexual reproduction
and will be more resistant to the antibiotic.
Complete the following statement about conjugation.
Bacterial confirmation is the equivalent of sexual reproduction in eukaryotes in that it necessitates cell to cell contact. The donor cell just contain a 1. Blank which is distinct from the larger bacterial chromosome. The 2. Blank carry genes in the 3. Blank which regular the conjugation process
Chapter 27 Solutions
CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
Ch. 27.1 - Describe two adaptations that enable prokaryotes...Ch. 27.1 - Contrast the cellular and DNA structures of...Ch. 27.1 - Prob. 3CCCh. 27.2 - Although rare on a per gene basis, new mutations...Ch. 27.2 - Distinguish between the three mechanisms by which...Ch. 27.2 - In a rapidly changing environment, which bacterial...Ch. 27.3 - Distinguish between the four major modes of...Ch. 27.3 - A bacterium requires only the amino acid...Ch. 27.3 - WHAT IF? Describe what you might eat for a...Ch. 27.4 - Explain how molecular systematics and metagenomics...
Ch. 27.4 - Prob. 2CCCh. 27.5 - Explain how prokaryotes, though small, can be...Ch. 27.5 - MAKE CONNECTIONS Review Figure 10.6. Then...Ch. 27.6 - Identify at least two ways that prokaryotes have...Ch. 27.6 - Prob. 2CCCh. 27.6 - Prob. 3CCCh. 27 - Describe features of prokaryotes that enable them...Ch. 27 - Mutations are rare and prokaryotes reproduce...Ch. 27 - Describe the range of prokaryotic metabolic...Ch. 27 - How have molecular data informed prokaryotic...Ch. 27 - In what ways are prokaryotes key to the survivaI...Ch. 27 - Prob. 27.6CRCh. 27 - Genetic variation in bacterial populations cannot...Ch. 27 - Photoautotrophs use (A) light as an energy source...Ch. 27 - Which of the following statements is not true? (A)...Ch. 27 - Prob. 4TYUCh. 27 - Prob. 5TYUCh. 27 - Prob. 6TYUCh. 27 - Prob. 7TYUCh. 27 - SCIENTIFIC INQUIRY INTERPRET THE DATA The...Ch. 27 - WRITE ABOUT A THEME: ENERGY In a short essay...Ch. 27 - SYNTHESIZE YOUR KNOWLEDGE Explain how the small...
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- For the following sets of partial diploid bacteria, how do I fill out this table? I am not sure how to tell the difference between inducible and constitutive?arrow_forwardDuring the process of conjugation between two bacteria, each bacterium transfers some of its DNA into the other bacterium. True Falsearrow_forwardWhich among A-D is false regarding growth and/or analysis of a bacterial culture? A) O Fed-batch growth: typically results in an increased yield of cells over that obtained with batch growth B) O Auxotroph: requires addition of specific growth factors in order to grow C) O Prototroph: typically the wild type strain that possesses all the features indicative of the species D) O None of A-D is false; all are true statementsarrow_forward
- What is wrongly matched? A) None of the above B) Transfer of genetic material from 1 cell to --- conjugation. Another involving cell to cell contact C) Transfer of DNA from 1 cell to another by a Bacteriophage---Transduction D) Bacterial cell in which the F factor has become integrated---HFrarrow_forwardThe figure below shows a partial chromosome map of an E. coli Hfr strain. Each mark = 10 minutes between conjugation transfer time. If transfer of genes begins at “*” relative to the origin of transfer, what is one of the predicted results from this map? It would take less than 30 minutes to transfer all of the genes that are shown. gal and azi will rarely be transferred together. gal and ton will rarely be transferred together. Ten minutes after transfer of ton, lac will be transferred. This strain will produce very few gal recombinants.arrow_forwardIf a bacterial species is not susceptible to an antibacterial drug at the concentration present in a particular disk, does that necessarily mean the species is completely resistant to the drug? Explain your answer. What is the mode of action of bacitracin? How does this influence the types of bacteria it can be used against effectively? What is the mode of action of tetracycline? How does this influence the types of bacteria it can be used against effectively? Describe how populations of bacteria can evolve resistance to antibiotics. In your description, use the terms/phrases: mutation, resistant, sensitive, individuals, populations, natural selection, horizontal gene transfer.arrow_forward
- Why is E. coli O157:H7 an organism of concern in contaminated foods? The strain is represented as O157:H7. Which particular “parts” of the bacterial cell do the “O” and “H” refer to?arrow_forwardThe synthesis of arginine by Nuerospora was determined by examining a number of mutant strains that were unable to synthesize the compound. Use the table of bacterial growth below to 1) determine the correct sequence of the synthesis pathway and 2) where in the synthesis pathway each mutation interrupts the synthesis. A “+" indicates growth. Nothing added to Succinate Ornithine added Strain Cirtulline Arginine Added added added growth medium Wild Mutant 1 Mutant 2 Mutant 3 Mutant 4arrow_forwardIf Microbe A and Microbe B have whole genome similarity of 68%, as determined by DNA-DNA hybridization, they should be considered the same species.arrow_forward
- A shuttle vector is a vector constructed so that it can propagate in two different host species. One of the most common types of shuttle vectors is the yeast shuttle vector. (1) Name the THREE (3) most common yeast shuttle vectors. (ii) Based on the answer above, differentiate these THREE (3) vectors.arrow_forwardWith regard to studying the mechanism of conjugation,what is the purpose of using a U-tube?arrow_forwardBacterial conjugation has medical consequences. For example, certain plasmids contain genes that code for toxins. The causative agent of a deadly form of food poisoning, E. coli 0157, synthesizes a toxin that causes massive bloody diarrhea and kidney failure. This toxin is now believed to have originated in Shigella, another bacterium that causes dysentery. Similarly, the growing problem of antibiotic resistance is partly attributable to the spread of antibioticresistant genes among bacterial populations. Antibiotic resistance develops because antibiotics are overused in medical practice and in livestock feeds. Suggest a mechanism by which this extensive use promotes antibiotic resistance.arrow_forward
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genetic recombination strategies of bacteria CONJUGATION, TRANSDUCTION AND TRANSFORMATION; Author: Scientist Cindy;https://www.youtube.com/watch?v=_Va8FZJEl9A;License: Standard youtube license