George brushes his teeth twice every day. lately, he has noticed discomfort when brushing in some areas of his mouth. which topics should he bring up to his dentist? a typical diet b canker sores c brushing habits d bleeding gums and pain

Yuan is a firefighter who provides basic first aid at accident scenes. yuan is an emergency medical

Have a friend or family member complete the questionnaire. make a prediction about that person’s wellness and justify your prediction using two or more complete sentences.

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.