El tratamiento del cáncer puede incluir la necesidad de realizar un trasplante de medula ósea. La osteoporosis es un proceso que se caracteriza por ser una perdida ósea excesiva de calcio. Estas dos situaciones suponen una desorganización o fracaso de dos funciones óseas, identifique estas dos funciones óseas y explique cuál debería ser su funcionamiento normal.

Tessa’s friend milo offers her a ride home. tessa does not like riding with milo. he insists that everyone wear a seat belt, and he listens to classical music. he drives a small car, and usually texts while driving. why should tessa refuse milo’s offer? milo texts while driving. milo listens to classical music. milo drives a small car. milo insists that everyone wear a seat belt.

When you have proper posture, your back is arched. a. true b. false

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.