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Health, 23.06.2019 02:30
True or false a fertilized cell divides many times to form an embryo
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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.
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Health, 23.06.2019 05:30
Heat affects all vitamins. which vitamins are more sensitive to heat and leach into water? a. vitamin a and d b. vitamin b and c c. vitamin e and k d. vitamin d and c
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Health, 23.06.2019 09:30
The age of receding pandemics is one of three progessive ages of epidemiologic transition. select one: true false
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What should you do first before performing choking rescue?...
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