User talk:Yusefkassem

Thank you for your interest in editing Wikipedia. Your edit to Thylakoid was successful, but because it was not considered beneficial to the page, the edit has been reverted or removed. If you would like to experiment with editing, please use the sandbox instead. Please take a look at the welcome page to learn more about contributing to this encyclopedia. Thank you. Materialscientist (talk) 08:04, 8 February 2012 (UTC)