Campbell Biology: Concepts & Connections, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (8th Edition)
8th Edition
ISBN: 9780133909029
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Chapter 10, Problem 5TYK
Scientists have discovered how to put together a bacteriophage with the protein coat of phage T2 and the DNA of phage lambda. If this composite phage were allowed to infect a bacterium, the phages produced in the host cell would have _____. (Explain your answer.)
a. the protein of T2 and the DNA of lambda
b. the protein of lambda and the DNA of T2
c. the protein and DNA of T2
d. the protein and DNA of lambda
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Choose the one answer that fits best. Which of the following statements regarding bacteria is NOT correct?
a.
During conjugation, two bacteria exchange genetic information directly via pili
b.
Bacterial populations have a higher mutation rate because their DNA Polymerases do not have proofreading capability
c.
Bacterial growth by binary fission is exponential and each division usually takes only a couple of hour or less
d.
Plasmids carry just a few genes and are replicated independently from the bacterial chromosome
e.
Cocci that are arranged in clusters/bunches are called staphylococci
Using one of the options below, finish the following statement so that it is correct. Plasmids are _________
a.
extrachromosomal, circular molecules of RNA
b.
extrachromosomal, linear molecules of DNA
c.
None of these options are correct
d.
extrachromosomal, circular molecules of DNA
e.
extrachromosomal, linear molecules of RNA
When E. coli cells are mixed with recombinant vector DNA and subject to a stress such as heat shock, a small fraction of the cells will take up the plasmid DNA, a process known as :
A.
Ligation.
B.
Transformation.
C.
Transfection.
D.
Digestion.
Chapter 10 Solutions
Campbell Biology: Concepts & Connections, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (8th Edition)
Ch. 10 - Check your understanding of the flow of genetic...Ch. 10 - Which of the following correctly ranks the...Ch. 10 - Describe the process of DNA replication: the...Ch. 10 - What is the name of the process that produces RNA...Ch. 10 - Scientists have discovered how to put together a...Ch. 10 - A geneticist found that a particular mutation had...Ch. 10 - Describe the process by which the information in a...Ch. 10 - The nucleotide sequence of a DNA codon is GTA. A...Ch. 10 - A cell containing a single chromosome is placed in...Ch. 10 - The base sequence of the gene coding for a short...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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 traitsarrow_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? (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_forwardWhich of the following is defined as transformation? A. Transfer of genetic information via a plasmid B. Virus infects a host and deposits genetic material C. Free floating DNA is uptaken D. Transfer of genetic information from one bacterium to another 5.arrow_forward
- Choose the one answer that fits best. The pGLO plasmid you used contains an araC gene, a GFP gene and a bla gene. If you performed the exact same experiment with a plasmid that contained a GFP gene and a bla gene, but was missing the araC gene, what would you expect to see on your four plates? a. The positive control would not have any bacterial lawn b. The negative control would have as many colonies as the experimental plate c. The LB/Amp/Ara plate would have some colonies but they would not be fluorescent under UV light d. The experimental plate would not have any colonies e. The LB/Amp plate containing E. coli (+)pGLO would be fluorescentarrow_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_forwardIf the HIV did not have a reverse transcriptase enzyme, then which of the following would apply? Select one: a. The virus can make use of the reverse transcriptase enzyme from the host cell to convert its RNA into DNA b. Viral particles will be produced without reverse transcriptase enzyme since the original HIV is an RNA virus and needs to assemble RNA ant coat proteins together c. The virus will manufacture its proteins from its RNA using translation and ribosomes from host cell d. Provirus will not be formed and assembly of viral particles will never occur e. The virus will not be able to recognise the host cell and therefore entry into the cell is blockedarrow_forward
- has been assembled by researchers and transplanted into a donor bacterial strain to study never before seen gene functions. Select one: a Transgenic genome b. Recombinant DNA sequence C. Knockdown gene d. Synthetic genome e. Recombinant plasmid xarrow_forwardIf a virus particle contained double-stranded B-DNA of 500,000 base pairs, A. How many complete helical turns would occur on each strand? B. How many atoms of phosphorus would be present? C. What would be the length (in Å) of the DNA before packing into the virus?arrow_forwardIf a researcher accidentally transformed the bacterial two hybrid plasmids ( pKT25-X and pUT18-Y) into a normal strain of E coli that produces adenylate cyclase, his/her experiment will: a. show a high lacZ activity in all tubes (control and experiment) because Proteins X and Y do not need to be interacting in order to activate lacZ gene prescription. b. not work because cells lack cAMP. c. need replicates in order to show true interaction between X and Y.arrow_forward
- Plasmids are important for recombining DNA. B.) What are the requirments of an expression vector.arrow_forwardIf you wish to create an E. coli cell that is immune to phage lambda, which of the following genes should be incorporated into genomic DNA in the E. coli cell? Select one: a. N gene O b. Cro gene Ос. Cl gene O d. SSB genearrow_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_forward
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