ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
3rd Edition
ISBN: 9780135964422
Author: Urry
Publisher: PEARSON
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Chapter 24, Problem 3TYU
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Horizontal gene transfer is a process in which genetic material from an organism is
a. transferred from cell to cell.
b. transferred to its offspring.
c. transferred to another organism that is not the offspring of the first organism.
d. released into the environment.
How do scientists induce prokaryotes to produce human proteins?a. They insert human genes into bacterial genomes.b. They cross bacterial strains until the proteins arise at random.c. They inject bacteria into human muscles.d. All of the above are correct.
Which of the following best describes the mechanism of action of the antibiotic streptomycin?
A. it disrupts protein synthesis in resistant bacteria.
B. Streptomycin inhibits cell wall synthesis in all bacterial species.
C. Streptomycin creates mutations in bacteria which cause them to become resistant.
D. It disrupts protein synthesis in nonresistant bacteria.
Chapter 24 Solutions
ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
Ch. 24.1 - What hypothesis did Miller test in his classic...Ch. 24.1 - How would the appearance of protocells have...Ch. 24.1 - Prob. 3CCCh. 24.1 - Prob. 4CCCh. 24.2 - Contrast the cellular and DNA structures of...Ch. 24.2 - Distinguish between the four major modes of...Ch. 24.2 - Prob. 3CCCh. 24.2 - Prob. 4CCCh. 24.3 - Although rare on a per gene basis, new mutations...Ch. 24.3 - Distinguish between the three mechanisms by which...
Ch. 24.3 - In a rapidly changing environment, which bacterial...Ch. 24.3 - WHAT IF? If a nonpathogenic bacterium were to...Ch. 24.4 - Explain how molecular systematics and metagenomics...Ch. 24.4 - WHAT IF? What would the discovery of a bacterial...Ch. 24.5 - Explain how prokaryotes, though small, can be...Ch. 24.5 - Prob. 2CCCh. 24.5 - Prob. 3CCCh. 24.5 - Prob. 4CCCh. 24 - Which of the following steps has not yet been...Ch. 24 - Fossilized stromatolites A. more than 2.8 billion...Ch. 24 - Prob. 3TYUCh. 24 - Photoautotrophs use A. light as an energy source...Ch. 24 - Which of the following statements is not true? A....Ch. 24 - Prob. 6TYUCh. 24 - Prob. 7TYUCh. 24 - SCIENTIFIC INQUIRY INTERPRET THE DATA The...Ch. 24 - FOCUS ON EVOLUTION In patients infected with...Ch. 24 - FOCUS ON ENERGY AND MATTER In a short essay (about...Ch. 24 - Prob. 11TYU
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- Bacteria can acquire DNA directly from the environment through: please explain the answer a.Conjugation b.Transduction c.Natural transformation d.All of the abovearrow_forwardPhage conversion in which viruses add genes to a bacterial cell can be considered to be a form of a. standard inheritance. b. horizontal gene transfer. c. vertical gene transfer. d. parasitism.arrow_forwardGenetic information can be transferred horizontally from one bacterial cell to another cell of the "same generation" (versus daughter cells), leading to genetic recombination, by all of the following EXCEPT: A. Gene expression (transcription/translation/protein synthesis) B. Transformation C. Conjugation D. Transduction E. None of the other four answers (all are mechanisms of “horizontal transfer” genetic recombination)arrow_forward
- Which process of DNA transfer in bacteria requires a virus? a. Conjugation b. Transduction c. Transformation d. All of the abovearrow_forwardIn Hershey and Chase’s experiment investigating which biological molecule carries genetic information, they found that phage DNA with radiolabeled phosphorus was retained in bacterial cells after transduction. To conclude that DNA is the genetic material, what assumption did they have to make? A. Protein does not enter the bacterium during transduction. B. DNA does not stay in the media after transduction. C. All of the phage DNA was radiolabeled. D. Bacteria can be transduced by phage.arrow_forwardViruses are considered nonliving because Select one: A. They do not locomote. B. They can reproduce independently. C. Their nucleic acid does not code for protein. D. They are noncellular.arrow_forward
- In Hershey and Chase’s experiment investigating which biological molecule carries genetic information, they found that phage DNA with radiolabeled phosphorus was retained in bacterial cells after transduction. To conclude that DNA is the genetic material, what assumption did they have to make? (photo linked) A. Protein does not enter the bacterium during transduction. B. DNA does not stay in the media after transduction. C. All of the phage DNA was radiolabeled. D. Bacteria can be transduced by phage.arrow_forwardAn experimental drug therapy to treat patients with antibiotic-resistant bacteria involves introduction of a highly specific bacteriophage to the infected patient's bloodstream. Which of the following bacteriophage types would be the LEAST useful for this therapy? a. a lytic bacteriophage b. An enveloped virus c. An RNA virus d. a lysogenic bacteriophagearrow_forwardWhich of the following statements is false? a. Plasmids can be exchanged between different species of bacteria. b. The blue circle represents a small chromosome. c. The blue circle is a plasmid that contains genes that confer resistance to specific antiobiotics. d. The blue circle represents a double-stranded molecule of DNA.arrow_forward
- The function of CRISPR gene cluster in Streptococcus pyogenes is to Select one or more: a. destroy phage DNA in the bacteria. O b. protect phage DNA in the bacteria. Oc. repair the damaged DNA in its genome. O d. delete the specific genes in its genome.arrow_forwardWhich of the following is not associated with prions? a. Replicating shapes b. Mad cow disease c. DNA d. Toxic proteinsarrow_forwardSome 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 traitsarrow_forward
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