What happens when serum containing b antibodies is added to red cells carrying the b antigen? will the same thing happen if serum containing b anitbodies is added to red blood cells carrying the a antigen?

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.

Andrea's parents take her to a routine dentist exam. after examining andrea, the dentist applies a thin film on her healthy molars. what is this called?

Being is not a situational factor common to adults who commit violent acts against children.