Which of the following identifies which meat must first be inspected by the USDA before hitting store shelves? A-meat from processing plants
B-prime and choice grades only
C-cutter and canner grades only
D-all imported meat

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?