Work Cited
http://en.wikipedia.org/wiki/Tight_junctionhttp://biology.unm.edu/ccouncil/Biology_124/Summaries/Cell.html
http://quizlet.com/410483/cell-organelles-and-their-functions-flash-cards/
http://library.thinkquest.org/12413/structures.html
http://carrot.mcb.uconn.edu/~gogarten/mcb259/organelles.htmhttp://www.enchantedlearning.com/subjects/plants/cell/
http://quizlet.com/410483/cell-organelles-and-their-functions-flash-cards/
http://library.thinkquest.org/12413/structures.html
http://carrot.mcb.uconn.edu/~gogarten/mcb259/organelles.htmhttp://www.enchantedlearning.com/subjects/plants/cell/