User talk:Joshwalker

July 2007
Welcome to Wikipedia. Although we invite everyone to contribute constructively to our encyclopedia, at least one of your recent edits, such as the one you made to Cell membrane, was not constructive and has been reverted or removed. Please use the sandbox for any test edits you would like to make, and take a look at the welcome page to learn more about contributing to this encyclopedia. Thank you. ~ Enviroboy TalkContribs - 04:37, 1 July 2007 (UTC)