Question 8 0 out of 1 points HIV has a very high rate of mutation. Why is this?

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Question 8 0 out of 1 points HIV has a very high rate of mutation. Why is this? Selected Answer: all of the above Answers high rates of selection on HIV excessive mutation during organogenesis HIV reverse transcriptase is error prone plasmid exchange between individuals all of the above Question 9 0 out of 1 points Which of the following is thought to be first type of living organism on earth? Selected Answer: Photosynthesizing prokaryotes Protists Photosynthesizing prokaryotes None of the above Non-Photosynthesizing prokaryotes Answers

Explanation / Answer

8) HIV has very high rates of mutation because of the inability of the viral reverse transcriptase to accurately transcribe viral RNA to DNA. This helps HIV in evading host's defense mechanism: both humoral and cellular. So, the answer for this question is, HIV reverse transcriptase is error prone (option 3).

9) The first type of living organisms in earth are protists.

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