Health, 19.09.2019 02:40 dmccarthey90
The point in the moon's orbit when it's farthest away from the earth is called
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Health, 22.06.2019 05:20
Which action is important to a pregnant woman’s health? see a doctor for regular x-rays drink alcohol in small amounts engage in regular physical activity eat a diet rich in seafood
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Health, 22.06.2019 15:10
How can lung cancer best be prevented? a. by getting regular screeningsc) b. by avoiding cigarette smokec. by monitoring cholesterol levelsd. by avoiding nown allergensherrwww
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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
Health, 23.06.2019 06:30
Which of the following methods had the highest risk of transmitting hiv? a) oral sex b) sharing needles c) sweat d) preseminal fluid
Answers: 2
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