why are embryonic stem cells useful for medicine? A. They can become more cells than adult stem cells can. B. They are already differentiated into organ cells C. They are only found outside the blastocyst D. They are usually unipotent or multipotent stem cells.

Karen is a forensic scientist whose purpose is to identify and evaluate physical evidence. which of the following tasks does she perform? a. reporting results of scientific analysis b. interviewing suspects c. questioning witnesses d. preparing victims for burial