Campbell Biology: Conc. and Conn. - Access
8th Edition
ISBN: 9780321946850
Author: Reece
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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Chapter 10 Solutions
Campbell Biology: Conc. and Conn. - Access
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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- Which of the following characteristics is not true of a plasmid?a. It is a circular piece of DNA.b. It is required for normal cell function.c. It is found in bacteria.d. It can be transferred from cell to cell.arrow_forwardAlfred Hershey and Martha Chase performed experiments to show that A: the genetic material was DNA contained in the bacteriophage, which entered bacteria during phage infection. B:the genetic material was RNA contained in the bacteriophage, which entered bacteria during phage infection C:the genetic material was protein contained in the bacteriophage, which entered bacteria during phage infection D:none of these choices are correctHomework question i am lost onarrow_forwardAssume that there are horizontal gene transfers between two completely different bacterial species. In one case it is a plasmid that is transmitted via conjugation, in the other case it is it is a part of the bacterial chromosome that is transferred via transformation. In which of the two cases is it likely that the transferred DNA will be present? left and can function in the recipient cells? Explain the biological background to your answerarrow_forward
- An 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_forwardIn the phage titer experiment, why did you plate multiple dilutions? a. so that you should have a countable plate b. to have duplicates to count c. As a control d. to be certain the E. coli was not previously infectedarrow_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
- Which 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_forwardIn Hershey-Chase experiment, bacteriophages protein coats were tagged with radioactive isotope S-32. These phages were used to infect E. coli cells and the cells were further centrifuged to form pellets. Why was the radioactivity level of S-32 found greater outside the cells compared to the E. coli cell pellets? Explain briefly. If the experiment is repeated in the same manner but this time the phage protein coats are labelled with isotope X and the phage DNA with isotope Y, which isotope’s radioactivity will be found in greater amounts in the E. coli cell pellets after centrifugation? Explain briefly.arrow_forwardPlasmids are important in biotechnology because they are Group of answer choices a. a vehicle for the insertion of foreign genes into bacteria b. recognition sites on recombinant DNA strands c. surfaces for protein synthesis in eukaryotic recombinants d. viruses incorporated into the host DNAarrow_forward
- One of the reasons why phage therapy has not been applied widely is that bacteria can become resistant to bacteriophages as well, through mutations in genes encoding for specific proteins. What would be a protein in the bacterial cell that, if mutated, would make that cell resistant to phage infection?arrow_forwardPart A: Antibiotic resistance is a major health concern. Resistance to various antibiotics can be transferred by a. all options. b. transduction. c. conjugation. d. transformation. Part B: Movement of genetic information through transduction requires that a. free DNA is available in the environment. b. physical contact occurs between cells. c. transposable elements occur in a chromosome. d. viruses have infected a cell.arrow_forwardThe genome of some bacteriophages is linear in the phage particle but becomes circularized inside the host cell. If you cut a mixture of the linear and the circular form with a restriction enzyme that has one recognition site in the phage genome, how many different DNA fragments would you generate? Choose an answer from below: 2 3 4 4 or 6 depending on the humidity in the lab several hundredarrow_forward
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