New and emerging viruses come from Choose one: A. multiple viruses fusing. B. bacterial degeneration. C. “jumping” hosts. D. cancer cells.
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An emerging HIV virus is most likely result of? choose all that apply: A: jumping between different host species B: mutations of nucleotide sequences in the viral genome C: gene transfer by conjugation D: gene transfer by transduction E: antigenic shift
Keemin L.
$\begin{equation} \begin{array}{l}{\text { Emerging viruses arise by }} \\ {\text { (A) mutation of existing viruses. }} \\ {\text { (B) the spread of existing viruses to new host species. }} \\ {\text { (C) the spread of existing viruses more widely within their host }} \\ {\text { species. }} \\ {\text { (D) all of the above. }}\end{array} \end{equation}$
Emerging viruses arise by a. mutation of existing viruses. b. the spread of existing viruses to new host species. c. the spread of existing viruses more widely within their host species. d. ail of the above.
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