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Based on the chart, what are the three most effective methods to protect against pregnancy?
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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.
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Health, 23.06.2019 09:00, abbypark0804
Choose all answers that apply. what is true about resistance training
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Health, 23.06.2019 16:50, laura2school
Summarize four pregnancy-prevention methods. discuss the benefits effectiveness and risks of each
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