Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 9, Problem 3VCQ
Figure 9.17 Which of the following statements about quorum sensing is false?
- Autoinducer must bind to receptor to turn on transcription of genes responsible for the production of more autoinducer.
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Chapter 9 Solutions
Biology 2e
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- The size of the inhibition zone depends on conditions such as: Multiple Choice The concentration of the antibiotic loaded onto the disk The solubility of the antibiotic availability of moisture The concentration of the antibiotic loaded onto the disk AND the solubility of the antibioticarrow_forwardWhich of the following does NOT describe a mechanism of antibiotic resistance among bacteria? enzymes to hydrolyze or chemically alter the antibiotics mutations in target molecules so that antibiotics can no longer bind efflux pumps cell wall diffusion barrier, e.g. Gram-negative outer membrane, Acid Fast cell wall of Mycobacterium O increased synthesis of porins to increase antibiotic diffusion across membranesarrow_forwardYou are designing a phage therapy for a cystic fibrosis patient with an multi-antibiotic resistant Mycobacterium infection. The Mycobacterium infection is preventing the patient from taking immunosuppressant drugs that are needed for a successful lung transplant. The idea is that introducing the right phage to the patient will kill the Mycobacterium cells and allow the patient to go on immunosuppressant drugs that will ensure the new lung is not rejected by the body. You need to find a phage that infects the Mycobacterium you isolated from the patient. Which TWO options have the highest chance of success? A. Screening a colleague's library of known Mycobacterium phages for phage that infect the patient's Mycobacterium isolate b. Choosing likely candidates from analysis of phage 16S rRNA phylogeny in the tree of life C. Isolating new phage from soil using a plaque assay with the Mycobacterium isolate D. Obtaining a very well-studied phage, such as T4 bacteriophage, that…arrow_forward
- You are designing a phage therapy for a cystic fibrosis patient with an multi-antibiotic resistant Mycobacterium infection. The Mycobacterium infection is preventing the patient from taking immunosuppressant drugs that are needed for a successful lung transplant. The idea is that introducing the right phage to the patient will kill the Mycobacterium cells and allow the patient to go on immunosuppressant drugs that will ensure the new lung is not rejected by the body. You finally find a phage that you think will work because it attaches to and injects its genome into the patient's Mycobacterium isolate. Next, you need to be sure of what characteristics of the phage infection cycle? Pick all that are true A. That the phage delivers new antibiotic resistance genes to Mycobacterium via transduction B. That the correct proteins are expressed during the phages metabolism C. That the infection is lytic D.That lysogeny is the primary infection pathwayarrow_forwardYou are designing a phage therapy for a cystic fibrosis patient with an multi-antibiotic resistant Mycobacterium infection. The Mycobacterium infection is preventing the patient from taking immunosuppressant drugs that are needed for a successful lung transplant. The idea is that introducing the right phage to the patient will kill the Mycobacterium cells and allow the patient to go on immunosuppressant drugs that will ensure the new lung is not rejected by the body. You need to find a phage that infects the Mycobacterium you isolated from the patient. Which TWO options have the highest chance of success? Group of answer choices 1.Isolating new phage from soil using a plaque assay with the Mycobacterium isolate 2.Choosing likely candidates from analysis of phage 16S rRNA phylogeny in the tree of life 3.Obtaining a very well-studied phage, such as T4 bacteriophage, that specifically targets E. coli 4.Screening a colleague's library of known Mycobacterium phages for phage that…arrow_forwardIf a bacteria cell is F+, that cell must be capable of transduction. contain the fertility factor. be capable of transformation. contain antibiotic resistant plasmids.arrow_forward
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