How is the lower respiratory system related to the
circulatory system?...
Health, 29.03.2021 20:30 michael1295
How is the lower respiratory system related to the
circulatory system?
Answers: 1
Health, 22.06.2019 21:10
Which of these contraceptive methods would be most beneficial for a female who wishes to avoid side effects or surgery?
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Health, 22.06.2019 22:10
Wich technque is not recommended for use as a supporting detail
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Health, 23.06.2019 04:00
Viruses use the host's machinery to make copies of themselves. however, some human viruses require a type of replication that humans do not normally have. for example, humans normally do not have the ability to convert rna into dna. how can these types of viruses infect humans, when human cells cannot perform a particular role that the virus requires? a) the virus causes mutations in the human cells, resulting in the formation of new enzymes that are capable of performing these roles.b) the viral genome codes for specialized enzymes not in the host.c) the virus infects only those cells and species that can perform all the replication roles necessary.d) viruses can stay in a quiescent state until the host cell evolves this ability.
Answers: 1
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