Q. Most biologists believe that the immune system’s defence against infections largely rests on its capability to distinguish self molecules from non-self molecules. This concept seems central to our understanding of immune function. Yet, like all scientific ideas, it is not beyond question. Several immunologists have developed an alternative hypothesis: […]

1 µl containing 1 ng of supercoiled Bluescript plasmid DNA was mixed with 50 µl of electrocompetent cells. The cells were electroporated and 500 µl of SOC media was immediately added and the cells were incubated at 37 C for 1 hour to allow them to recover. From this total […]

Assignment Instructions The Willowbrook Study (Darr, 2011, pp. 114-116) is not the only research study that raised concerns about the ethical treatment of study participants. In fact, there were others many others including the Tuskegee Syphilis Study. Please select only Option #1. Summarize the Tuskegee Syphilis Study (in one paragraph). […]

1) Which of following are true of axial musculature: a) It arises elsewhere, however inserts on the axial skeleton.  b) It makes up 40 percent of the body musculature.  c) It arises and inserts on the axial skeleton.  d) It arises, but does not insert, on the axial skeleton.  e) […]