Working or isolating the muscle you are intending to work

In at least 150 words, discuss the meaning of the title, "two kinds". explain the relationship between the title and the theme of the story

Anutritional study should take all of the following into account except taste in music. family medical history. work and home responsibilities. lifestyle factors, such as smoking or alcohol consumption.

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.