Answers: 3
Health, 23.06.2019 04:31
Which of the following best reflects what we know about how the flu virus moves between species? a) the flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected.b) a flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans.c) an influenza virus gains new sequences of dna from another virus, such as a herpesvirus; this enables it to be transmitted to a human host.d) an animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.
Answers: 1
Health, 24.06.2019 05:30
90 points! during the middle ages, when people could not care for family members in the comfort of their homes, the ill were a.allowed to die b.sent to early versions of hospitals maintained by nuns and monks c.given very potent medicine, then allowed to recover in a barn or work area d.none of the above
Answers: 2
The current government recommendation for exercise is a minimum of 30 minutes per day, 7 days per we...
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