Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 7.2, Problem 1CR
Summary Introduction
Caulobacter crescentus is an oligotrophic and Gram negative bacteria. It is widely spread in fresh water streams and lakes as well. The daughter cells of Caulobacter exist in two forms. One daughter is a swarmer having a single flagellum at one pole. The other daughter cell is a stalked cell having a tubular structure. The chromosome replication and cell division process takes place only in the stalked cell stage.
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Chapter 7 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 7.1 - What is the utility of a reporter gene?Ch. 7.1 - Prob. 2MQCh. 7.1 - Prob. 1CRCh. 7.2 - Prob. 1MQCh. 7.2 - Prob. 2MQCh. 7.2 - Prob. 1CRCh. 7.3 - What is the divisome?Ch. 7.3 - How does FtsZ find the cell midpoint of a...Ch. 7.3 - What is the role of the penicillin-binding protein...Ch. 7.4 - How does MreB control the shape of a rod-shaped...
Ch. 7.4 - What protein is thought to control the shape of...Ch. 7.4 - What relationships exist between cytoskeletal...Ch. 7.4 - What morphology do cells have that lack MreB or...Ch. 7.5 - Prob. 1MQCh. 7.5 - What is transpeptidation and why is it important...Ch. 7.5 - Prob. 1CRCh. 7.6 - How are different sets of genes expressed in the...Ch. 7.6 - Prob. 2MQCh. 7.6 - Prob. 1CRCh. 7.7 - Why are the levels of DnaA protein controlled...Ch. 7.7 - Prob. 2MQCh. 7.7 - Prob. 1CRCh. 7.8 - Prob. 1MQCh. 7.8 - What is the major transcriptional regulator that...Ch. 7.8 - What is meant by "patterning" during heterocyst...Ch. 7.9 - What are the four basic stages of biofilm...Ch. 7.9 - Besides autoinducer synthesis, what intracellular...Ch. 7.9 - What type of genes does c-di-GMP activate during...Ch. 7.10 - Describe two targets of antibiotics and discuss...Ch. 7.10 - Prob. 2MQCh. 7.10 - Prob. 3MQCh. 7.10 - Prob. 1CRCh. 7.11 - Is persistence a heritable trait?Ch. 7.11 - What prevents the toxin component of TA modules...Ch. 7.11 - Prob. 3MQCh. 7.11 - Prob. 1CRCh. 7 - If DnaA was not regulated in Escherichia coli and...Ch. 7 - Explain how cells exhibiting different phenotypes...Ch. 7 - Describe how you would genetically design a...
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- What is the form of inflorescence in these figures?arrow_forwardHow Does Yeast transformation experiments were used to identify the functional chromosomal elements necessary for normal chromosome replication and segregation?arrow_forwardThe figure below shows the life cycle of the fungus Neurospora. The adult stage of the Neurospora is a multicellular haploid. b) Neurospora has an arginine amino acid synthesis pathway shown below. Suppose I take the strain above that only grows with arginine supplements and cross it to a different mutant Neurospora strain that grows with arginine and citrulline supplements but not with ornithine supplements. Assuming gens A, B, and C are unlinked and there is only one mutation per stain: What percentage of the progeny will grow on ornithine? What percentage on citrulline? What percentage on arginine?arrow_forward
- Why are the levels of DnaA protein controlled during theCaulobacter cell cycle?arrow_forward8) The diagram below represents a yeast cell that is in the process of budding, a form of asexual reproduction. Nucleus -Bud "Nucleus Which of the following statements describes the outcome of this process? A) The two cells that result will each contain half the species number of chromosomes. B) The two cells that result will have identical DNA. C) The bud will develop into a zygote. D) The bud will start to divide by the process of meiotic cell division.arrow_forwardStreptomycin resistance in Chlamydomonas may result from a mutation in either a chloroplast gene or a nuclear gene. What phenotypic results would occur in a cross between a member of an mt+ strain resistant in both genes and a member of a strain sensitive to the antibiotic? What results would occur in the reciprocal cross?arrow_forward
- Nutri Valeur n valories/Caleortes 370 Lipidas 75 9 rans 6 m Bodiores 200 mg Pause Alt Gr Ctri elestérel 0 mg ides 10 g 3% S The microtubules of the spindle apparatus attach to a specialized region of the centromere of each chromosome called the: A) kinetochore B) nucleosome ucieotide D) equatorial plate C) tetrad Use the followina information to answer the next question. A diet rich in lycopene, a nutrient found in tomatoes, can reduce the risk of cancer by preventing genetic damage and abnormal cell growth in regular body cells. Lycopene has been shown to reduce the size of tumours and slow the spread of the cancerous tissue. 6. Lycopene slows the spread of cancerous growth by decreasing the rate of Mitosis, which produces diploid cells Mitesis, which produces haploid cells a. Meiosis, which produces diploid cells d. Meiosis, which produces haploid cells C. 7. What is the phase of mitosis demonstrated in the photograph below? Doc. RND.. Josef Reischig, CSc. - Author's archive, CC…arrow_forwardA researcher is studying the cytology of an organism with endopolyploidy. What will she expect to see? A) Most cell types will be diploid, but one cell type will contain extra copies of all the chromosomes. O B) Aneuploid cells will occasionally arise, but will be quickly eradicated. C) Most cell types will be euploid, but some will be aneuploid. D) All cell types will be polyploid, but the number of copies will vary.arrow_forwardWhy does nucleation rate cause the number of microtubules to be proportional to nucleation rate but the length of microtubules to be inversely proportional to nucleation rate?arrow_forward
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