Exocytosis (/ËÉksoÊsaÉªËtoÊsÉªs/[1][2]) is a form of active transport in which a cell transports molecules (such as proteins) out of the cell (exo- + cytosis) by expelling them in an energy-using process.
David Ramsay (April 2, 1749 â May 8, 1815) was an American physician, public official, and historian from Charleston, South Carolina.
Plot Summary | Plot Synopsis. David Randall is a carefree ladies man and skilled pilot who finds he has been let in on the greatest and most terrible secret in the world when he is paid to deliver some mysterious pictures from one eminent astronomer to another.