Biology, 04.07.2019 10:30 Enewton4454
Which statement about viruses is correct? 20 points answer bird viruses can never infect mammal species. viruses cannot change which species they infect. viruses can mutate to infect new species. plant viruses only infect plant species that have rna.
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Biology, 21.06.2019 19:00
If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from
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Biology, 22.06.2019 01:30
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
Answers: 1
Which statement about viruses is correct? 20 points answer bird viruses can never infect mammal spe...
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