Which of the following represents the treatment option most likely to avoid the evolution of drug-resistant HIV (assuming no drug interactions or side effects)?
A) using a series of NAs, one at a time, and changed about once a week
B) using a single PI, but slowly increasing the dosage over the course of a week
C) using high doses of NA and a PI at the same time for a period not to exceed one day
D) using moderate doses of NA and two different PIs at the same time for several months
D
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Which of the following statements best describes the StaphTEX agglutination assay that you will be using in this lab? (Choose all that apply)
> It uses latex beads that are covered in antibodies that are specific to a particular pathogen. > It uses latex beads that are covered in antigens from a particular pathogen. > Agglutination will occur only if a specific pathogen is mixed with the StaphTEX reagent. > Agglutination will NOT occur if a specific pathogen is mixed with the StaphTEX reagent. > Agglutination will occur if any bacterial pathogen is mixed with the StaphTEX reagent.
If the effects of death are imposed on the birth
rate of a population,
a. the growth rate will slow down. b. the time scale of population growth changes. c. eventually, as the environment is overexploited, deaths will exceed births. d. an exponential growth curve will be produced if births exceed deaths at a constant level. e. all of these will occur.
Decapod crustaceans (shrimps, lobsters, and crabs) all lack
A. chelicerae. B. a carapace, a dorsal cephalothorax shield. C. a tail spine, telson. D. a ventral line of appendages, swimmerets.
Energy used in cellular respiration can originate from:
A) carbohydrates only. B) proteins only. C) carbohydrates, proteins, and fats. D) carbohydrates and fats only. E) proteins and carbohydrates only