Article Summary: Some bacteria have an additional layer outside of the cell wall called the glycocalyx. This coating of macromolecules protects the cell and helps it adhere to surfaces. You have free access to a large collection of materials used in a college-level introductory Cell Biology Course.
Fort Knox is also the location of the United States Army's Human Resources Command 's Timothy Maude Center of Excellence, which was named in honor of Lieutenant General Timothy Maude, the highest-ranking member of the U.S. military to die in the attacks of September 11, 2001.
The amount of gold held at Fort Knox has fluctuated over the years. It was at its greatest amount during World War II when several European governments moved their gold reserves to Kentucky for safe keeping. At this time, the amount of gold at Fort Knox peaked at 20,205 metric tons (650 million oz. troy).