Graves in the Slave Cemetery at Mount Vernon are unmarked, but we have the names of a few individuals thought to be buried in the cemetery including Frank Lee, the Washingtonâs butler who was present at the funeral of George Washington.
Disease agent is a crossword puzzle clue that we have spotted 1 time. There are related clues (shown below).isease agent is a crossword puzzle clue that we have spotted 1 time. There are related clues (shown below).
Researchers believe that the infectious agent that causes mad cow disease is an abnormal version of a protein normally found on cell surfaces, called a prion. For reasons still unknown, this protein becomes altered and destroys nervous system tissue -- the brain and spinal cord.