The cell membrane is made up of a phospholipid bilayer, or fat. Soap attracts fats and greases, and so is able to dissolve the cell membrane.
As the chief executive officer of the UT System, Chancellor McRaven oversees 14 institutions that educate 221,000 students and employ 20,000 faculty and more than 80,000 health care professionals, researchers and staff.
In the United States, the head of a university is most commonly a university president. In U.S. university systems that have more than one affiliated university or campus, the executive head of a specific campus may have the title of chancellor and report to the overall system's president, or vice versa.