Endocytosis-Exocytosis

hEndocytosis & Exocytosis 1. Endocytosis & Exocytosis a. Endocytosis brings liquids or molecules into cells. Endocytosis does this by engulfing these substances into the cell membrane. b. Exocytosis does the opposite of what Endocytosis does. The Exocytosis process releases substances out of a cell. Exocytosis does this by fusing vesiclesand the cell membrane together. In the Endocytosis process the cytoplasm seperates the vesicles.

2. Endocytosis 3. Exocytosis

Video http://highered.mcgraw-hill.com/olc/dl/120068/bio02.swf

Sources: 1. Biology, Stephen Nowicki, Mcdougal Littell 2008 2. http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/E/Exocytosis.html 3. http://www.biologyreference.com/Dn-Ep/Endocytosis.html