Select two classes of HIV drugs, and fully explain how they work. Can they cure HIV?
What will be an ideal response?
Students may describe reverse transcriptase inhibitors, protease inhibitors, fusion inhibitors, or integrase inhibitors. Reverse transcriptase inhibitors prevent the conversion of viral RNA to DNA. Protease inhibitors block the processing of viral proteins needed to properly package the viruses. Fusion inhibitors block receptor sites on the host cell. Integrase inhibitors prevent viral DNA from integrating into host chromosomes.
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The following question(s) relate to the data table below, showing typical fluctuating pH and dissolved oxygen levels in a fish pond with a heavy concentration of algae over a 24-hour period.TimeOxygen (ppm)pH2 a.m.4.57.74 a.m.2.87.26 a.m.2.26.88 a.m.2.56.810 a.m.3.97.2Noon6.57.72 p.m.10.08.34 p.m.12.18.86 p.m.13.19.28 p.m.13.09.210 p.m.12.08.8Midnight10.88.3In such a pond that contains algae and fish, what is happening to the oxygen?
A. Oxygen is only consumed by the fish B. Oxygen is only consumed by both the algae and the fish C. Oxygen is only produced by the algae D. Oxygen is produced by the algae, and consumed by the algae and the fish
Which bone contains the foramen magnum?
a. maxillary b. parietal c. occipital d. vomer e. sphenoid
The process of acquiring antibiotic resistance by means of bacteriophage activity is called
a. transduction. b. R-plasmid acquisition. c. point mutation. d. transformation.
Cytokines are signaling molecules produced by T lymphocytes.
Answer the following statement true (T) or false (F)