User talk:204.30.1.181

Welcome to Wikipedia. Although we invite everyone to contribute constructively to our encyclopedia, at least one of your recent edits 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.  Mel sa  ran  17:35, 13 August 2007 (UTC)

September 2012
Please refrain from making unconstructive edits to Wikipedia, as you did at Cell membrane. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Thank you. Amp71 (talk) 17:32, 10 September 2012 (UTC)

June 2022
Please do not add or change content without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. OhNo itsJamie Talk 17:54, 28 June 2022 (UTC)