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.
David Letterman. David Michael Letterman (born April 12, 1947) is an American television host, comedian, writer, and producer. He hosted a late night television talk show for 33 years, beginning with the February 1, 1982 debut of Late Night with David Letterman on NBC, and ending with the May 20, 2015 broadcast of Late Show with David Letterman on CBS.