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.
A minister is a politician who holds significant public office in a national or regional government, making and implementing decisions on policies in conjunction with the other ministers. Some ministers are more senior than others, and are usually members of the government's cabinet. In some countries the head of government is designated the  prime minister .