Talk:Signaling molecule

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Sulfide should be changed to Sulphide

The spelling is incorrect - but I am not changing it myself, as that may be the American spelling or something — Preceding unsigned comment added by 90.192.154.96 (talk) 17:57, 1 February 2012 (UTC)[reply]

http://en.wikipedia.org/wiki/Hydrogen_sulfide This page says that hydrogen sulfide is a signalling molecule (first paragraph). "The human body produces small amounts of H2S and uses it as a signaling molecule." Don't know which page is correct.