Which test is especially good for bacteria that are not readily cultivated in the lab?
A. Direct fluorescence antibody (DFA) test
B. Dichotomous key analysis
C. Phage test
D. Direct antigen test
E. Gram stain
Answer: A
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Male northern elephant seals compete with one another for territories along the beach. Males will defend these territories throughout the breeding season
The males that win the male–male competitions defend the "best" beaches, and will have access to mate with females that stay on the beach. Female northern elephant seals (Mirounga angustirostris) come up on a beach during breeding season. Different areas on the beach are defended by a single male; when females haul-out they join a group of females in one specific area on the beach. They disproportionately breed with the male that defends that area of the beach. At what point may intersexual selection occur in these elephant seals? A. when the female is swimming to the beach B. when the female lands on the beach and chooses her resting location C. when the male defends his group of females against a different male D. when the male mates with a female within his group E. when the female leaves the beach after mating with a male
When the internal urethral sphinceter doesn't work and semen goes into the bladder it is called what?
What will be an ideal response?
Bacterial ________ are sites of metabolite storage
A) nucleoids B) vacuoles C) inclusions D) pili E) periplasm
Gene therapy is ________
A) able to treat any type of cell no matter where it is in the body B) not a good candidate for cancer therapeutics C) an example of translational medicine D) capable of treating diseases associated with an unknown gene