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s2008m [1.1K]
3 years ago
6

Richard learned he tested positive for a sexually transmitted retroviral pathogen and was prescribed HAART, combination of drugs

that includes two nucleoside reverse transcriptase inhibitors. Richard was confused and asked, ‘Why do I have to take so many drugs to cure one virus?"
Health
1 answer:
xenn [34]3 years ago
7 0

Answer: This is to prevent resistance to any single drug.

Explanation: The retrovirus is a very smart virus that is hard to manage. It uses the enzyme Reverse transcriptase to convert its RNa to DNa. HAART means highly active antiretroviral therapy which includes a combination of several drugs whose job is to stop the conversion of the viruses RNA to DNA at different points. It will be easier for the virus to outsmart one drug with one mechanism of action but it will be more difficult to outsmart different drugs working independently of each other. This will reduce the chances of resistance to the medication.

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Deffense [45]

Neutral mutations and Random mutations

All living things experience mutation, which has three general sorts of impacts. The first type of mutations are those that are detrimental to the fitness of their host; typically, these mutations either lower survival or fertility. The second type of mutation is called "neutral," and it has little to no impact on fitness. Because the phenotypic changes that emerge from random mutations are likely to be maladaptive, it is generally accepted that random mutations will, on average, decrease an organism's fitness.

<h3>What is Mutations?</h3>

The modification of a gene's structure, resulting in a variant form that might be passed down to future generations, brought about by the deletion, insertion, or rearrangement of larger segments of chromosomes or genes.

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6 0
2 years ago
Directions: Read each passage and indicate if the type of anxiety is normal or excessive.
Rom4ik [11]
1. Normal
2. Excessive
3. Normal
4. Normal
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8 0
4 years ago
Question 8: why do some many couples not use protection and decide to "pull out" health question btw
alexgriva [62]

Answer:

They decide not to use a condom because the guy wants to "feel" everything... and they say they won't get full pleasure with a condom on...

Explanation:

5 0
3 years ago
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<span>Cow's milk and whole goat
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8 0
4 years ago
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Vitek1552 [10]
The answer is B) red blood cells. I hope this helps!
7 0
3 years ago
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