Nester's Microbiology: A Human Perspective
8th Edition
ISBN: 9780073522593
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Chapter 8, Problem 6MC
The properties that all plasmids share are that they
1. all carry genes for antimicrobial resistance.
2. are self-transmissible to other bacteria.
3. always occur in multiple copied in the cells.
4. code for non-essential functions.
5. replicate in the cells in which they are found.
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Chapter 8 Solutions
Nester's Microbiology: A Human Perspective
Ch. 8 - Prob. 1SACh. 8 - Why is deleting one nucleotide generally more...Ch. 8 -
3. What type of mutation in an operon is most...Ch. 8 -
4. What is meant by "proofreading" with respect...Ch. 8 - Why would a cell use SOS repair, considering that...Ch. 8 - Why is replica plating used to isolate an...Ch. 8 - What is transduction?Ch. 8 -
8. How is an F+ strain different from an Hfr...Ch. 8 - Name four mobile genetic elements.Ch. 8 - Why are R plasmids important?
Ch. 8 - A culture of E. coli is irradiated with...Ch. 8 - 2. The highest frequency of mutations would be...Ch. 8 - Penicillin enrichment of mutants works on the...Ch. 8 - 4. Repair mechanisms that occur during DNA...Ch. 8 - You are trying to isolate a mutant of wild-type E....Ch. 8 - The properties that all plasmids share are that...Ch. 8 - The addition of DNase to a mixture of donor and...Ch. 8 - 8. An F pilus is essential for
1. DNA-mediated...Ch. 8 - Prob. 9MCCh. 8 -
10. The frequency of transfer of an F' molecule...Ch. 8 -
1. Some bacteria may have higher mutation rates...Ch. 8 -
2. A pharmaceutical researcher is disturbed to...Ch. 8 - Prob. 1CTCh. 8 -
2. You have isolated a strain of E. coli that is...
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- Stage Percent Time in Hours Interphase .60 14.4 Prophase .20 4.8 Metaphase .10 2.4 Anaphase .06 1.44 Telophase .03 .72 Cytukinesis .01 .24 Can you summarize the results in the chart and explain which phases are faster and why the slower ones are slow?arrow_forwardCan you circle a cell in the different stages of mitosis? 1.prophase 2.metaphase 3.anaphase 4.telophase 5.cytokinesisarrow_forwardWhich microbe does not live part of its lifecycle outside humans? A. Toxoplasma gondii B. Cytomegalovirus C. Francisella tularensis D. Plasmodium falciparum explain your answer thoroughly.arrow_forward
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