Using phages to treat a bacterial infection is an interesting idea because
A. a single type of phage can destroy a wide range of strains of the same pathogen.
B. of the increasing problem of antibiotic resistance.
C. lysed bacteria pose no threat.
D. a single phage can be genetically engineered to infect many different species of bacteria.
B
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Which letter in the figure above corresponds to a large efflux of K+ ions from the cell?
A) A B) B C) C D) D E) E
The genetic preservation of the features that increase the likelihood of survival and reproduction of some individuals within a population is called the process of
A. increasing evolutionary resistance. B. creation of new species. C. genetic drift. D. outcrossing. E. natural selection.
Was this a pre-mating or post-mating barrier?
a. pre-mating barrier, because individuals do not mate b. post-mating barrier, because hybrids are produced but they do not reproduce c. pre-mating barrier, because fertilization occurs but the hybrids are not viable d. post-mating barrier, because hybrids are sterile and unable to mate
Entire genes may be deleted, inverted, replicated, or even translocated to another chromosome. Explain how each one could potentially result in cancer
What will be an ideal response?