Which statement best describes how muscles respond to weight training? a. weight training stretches the muscles' limits and makes the muscles longer. b. weight training pushes the muscles' abilities, making the muscles gain endurance. c. weight training stimulates the muscles and causes the muscle fibers to sit closer together. d. weight training overloads muscles, which causes the body to respond by making muscle fibers larger.

Select two risk factors for self-harming behavior. a. having high self-esteem b being a teenager or young adult c. being female d. having never abused drugs or alcohol i know its going to be something funny and i'm gonna feel dumb asking it but its for my final test of the semester

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.

It is just as important to develop our as it is to develop our bodies.