How would reducing the load of antibiotics in our everyday environment reduce the number of antibiotic-resistant bacteria?
What will be an ideal response?
In the presence of antibiotics, those mutant individuals within the population that are more resistant to the antibiotic will survive and reproduce. This will lead to a larger percentage of the next generation being resistant. Being resistant is a selective advantage. In the absence of antibiotics, those same mutant individuals will not have a selective advantage for survival and reproduction. Therefore, there will not be an increase in the percentage of resistant bacteria in the next generation.
You might also like to view...
Which organisms would most likely be present on the bottom or closest to the actual surface of a complex microbial biofilm?
A. Facultative chemoorganotrophs B. Anaerobic sulfate-reducing bacteria C. Eukaryotic protists D. Cyanobacteria
Many aquatic invertebrates use this structure to perceive changes in their body's position and
orientation.
a. statocysts b. lateral line c. stereocilia d. saccule e. otoliths
___________ or imitation is a form of associative learning that involves a complex set of associations involved in watching another animal being rewarded for performing a particular behavior and then performing that same behavior oneself.
A. Observational learning B. Conditioned reflex learning C. Imprinting D. Insight
An important tool for identification of bacteria was developed by (H. C. Gram/R. Koch/S. Winogradski).
Fill in the blank(s) with the appropriate word(s).