Can you think of a reason why a doctor might choose to use an antibiotic that produces a SMALLER zone of inhibition against a pathogen than one that produces a larger zone of inhibition
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Can you think of a reason why a doctor might choose to use an antibiotic that produces a SMALLER zone of inhibition against a pathogen than one that produces a larger zone of inhibition
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- Based on the growth curve, which ONE of the following best describes the response to drug B? Select one: A. The drug concentration is too low to have any affect B. Resistance has develop to the drug during the course of the experiment C. The organism is resistant to the drug D. The drug is bacteriostatic against the organism E. Only a small percentage of cells are susceptible to the drugWhich of the following is not a mechanism of antibiotic resistance? Inactivating the antibiotic Mutating the target of the antibiotic Pumping the antibiotic out of the cell Production of adhesins that bind the antibioticWhich mechanism of antibiotic resistance is most likely to result in "cross resistance" against multiple antibiotic drugs resulting in the development of "superbugs"? a. Modification of drug target b. Enzyme deactivation of drug c. Efflux pumps d. Blocking entry of drug into the cell
- Since the seventies, scientists have been manipulating microorganisms to improve humans’ well-being. What are examples of how scientists use microorganisms to improve human life quality.You are working with an intracellular pathogen in cell culture. You add an agent that inhibits actin polymerization. What have you A. Inhibited the ability of the pathogen to hydrolyze ATP • B. Inhibited the ability of the pathogen to adhere to surfaces O C. Inhibited the movement of the pathogen into neighboring cells D. Inhibited the movement of the pathogen towards chemical attractants O E. Inhibited the ability of the pathogen to be detected by the host immune responseExpand on some of the consequences to the good bacteria when using anti-bacterial agents.
- The United States has banned the use of the pesticide DDT. Does this mean that DDT can no longer pose a threat to human health in this country?Make a conceptual framework based on this concept (Antimicrobial Resistance).Crystals of Bt toxin produced by some bacteria do not kill the bacteriathemselves because –(a) bacteria are resistant to the toxin(b) toxin is immature;(c) toxin is inactive;(d) bacteria encloses toxin in a special sac
- Hello, PLease answer. A new chemotherapeutic drug kills bacteria but not humans. Discuss the possible ways the drug may selectively act on bacterial cells.Difference between epidemic pathogen and virulent pathogen in Botany? With suitable examplePart A: Give an example of when you would want to use a broad-spectrum antibiotic and when you would want to use a narrow-spectrum antibiotic. Give a disadvantage to using a broad-spectrum antibiotic.