A single layer of cube-like cells that carry out active transport, facilitated diffusion, or secretion. They are found in mitochondria and kidneys. They often have cilia and microvilli on the surface.
credit definition The ability to obtain goods, money, or services in return for a promise to pay at some later date. The New Dictionary of Cultural Literacy, Third Edition
standard federal definition of credit hour because credit hours are the basis on which federal student aid is awarded. In the preamble to the regulations, the Department states that the federal definition of credit hour will be used only for student financial aid purposesâindicating that