Is directly linked to lung and oral cancer. nicotine. tar. alcohol.

Achildren’s pain relief elixir contains 80. mg acetaminophen per 0.50 teaspoon. the dosage recommended for a child who weighs between 24 and 35 lb is 1.5 teaspoons. what is the range of acetaminophen doses, expressed in mg acetaminophen/kg body weight, for children who weigh between 24 and 35 lb

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.

Aperson is most likely to recover from a viral infection if the infected cells ) can undergo normal cell divisionb) can carry on translation, at least for a few hoursc) produce and release viral proteind) transcribe viral mrna