Biology, 06.03.2020 23:34, Milanchik28
HIV's genome of RNA includes the code for reverse transcriptase (RT), an enzyme that acts early in infection to synthesize a DNA genome off of an RNA template. The HIV genome also codes for protease (PR), an enzyme that acts later in infection by cutting long viral polyproteins into smaller, functional proteins. Both RT and PR represent potential targets for antiretroviral drugs. Drugs called nucleoside analogs (NA) act against RT, whereas drugs called protease inhibitors (PI) act against PR. Which of the following treatment options would most likely avoid the evolution of drug-resistant HIV (assuming no drug interactions or side effects)?(a) Use a series of NAs, one at a time, and change about once a week.(b) Use a single PI, but slowly increase the dosage over the course of a week.(c) Use high doses of NA and a PI at the same time for a period not to exceed one day.(d) Use moderate doses of NA and two different PIs at the same time for several months.
Answers: 1
Biology, 22.06.2019 03:00, do1213
Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 2
HIV's genome of RNA includes the code for reverse transcriptase (RT), an enzyme that acts early in i...
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