Select the description that would represent a pathogen that would be considered a virus.
a.
genetic material that is surrounded by a protein coat and uses a host cell to reproduce
b.
a single-celled organism that infects animals and plants
c.
an organism that feeds off others in order to gain its nutrients
d.
a single-celled organism that can be a parasite

Public health policy such as in munizations to children attending public schools have improved the wellness of communities identify another policy that has promoted health within our community

Which a hammer strikes a compound formed by covalent bounds

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?