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Other possible sources of the infection included the woman's prior sexual contacts and occupational exposure, given that she was a nurse.All seven of the men that she had been in sexual contact with (including her former boyfriend) were tested and found to be HIV-negative.Her employment records were examined, and there were no reports of any accidental or occupational exposures other than the saliva that was splashed on her skin sometime in the mid-1980s. Her file did not have any documentation of any needle sticks at work.As the investigation proceeded, it was found that an HIV-positive patient under the care of the ex-boyfriend/doctor had blood drawn at the physician's offices on August 4, 1994. The paperwork for this procedure was deliberately hidden (the log book was found in a box of "1982 records" in a storage room with other records from the 1980s) and was not filled out in a manner that was consistent with standard office practices.Based on the circumstantial case against the physician, the reverse transcriptase (RT) sequences from the victim (the nurse/ex-girlfriend) and from the physician's HIV-positive patient (the putative source of the nurse's infection via the injection administered during the ill-fated argument) were analyzed. The reverse transcriptase (pol) gene was used in the actual criminal trial. Reverse transcriptase has a unique set of selective pressures exerted on it and is therefore a useful gene/protein to explore in order to establish relationships between different strains of HIV.
Question1. HIV-1 mutates rapidly. Based on this, would you expect to find a single, identical sequence in the victim and the patient, or would you expect to find a set of related sequences that share a common ancestor? Explain your answer.
Given an 8.0 volt battery, a 35 ohm resistor and a thirty. ohm resistor, compute the voltage drop across each resistor, and the current flowing through each resistor
A woman, age 36, had suffered from anorexia nervosa for 10 years and was admitted to the hospital for treatment. Her weight was about 60 percent of the ideal for her height
Explain why have the angiotensin converting enzyme inhibitors replaced digoxin as the drug of choice in treatment of chronic heart failure?
When did dinosaurs and pterosaurs become extinct? Which are the only extant animals that descended directly from dinosaurs.
find difference between the amino acids
Assume you are the science reporter for your local newspaper. Your editor asks you to write an article on a major topic within the general field of microbiology.
The value of DNA per cell of particular species is measured in cells found at various stages of meiosis and the cell cycle, and the amounts are obtained.
Determine which of the following are features of allosteric inhibition? During the infection, there are many different environments that P. multocida will encounter.
The both endocrine and the nerve system are major regulating system of the body; however, the nervous system has been compared to an airmail system and the endoncrine system to the pony express. What is the resemblance.
The "Primordial soup" includes the mixture of elements and gases which are thought to have started life on the Earth. Speculate on how, over the course of evolution, these complex molecules would eventually form the complex life forms such as human..
Whilst playing lacrosse, Frank took a blow to the back of his neck. When she looked toward the stars but not directly at them, she could see them. Describe what was happening. Implicated in this is the fovea and its cells.
Why in the world plants evolved such beautiful colours and shapes and create such wonderful scents. What do you tell her.
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