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Dec 11, 2015 at 4:53 history edited AMR CC BY-SA 3.0
Edited the question to make it more in line with one asking about actual biological processes and functions.
Sep 13, 2013 at 16:15 vote accept tdog2
Sep 8, 2013 at 18:37 history edited terdon CC BY-SA 3.0
edited title
Sep 8, 2013 at 18:17 history tweeted twitter.com/#!/StackBiology/status/376771204117696512
Sep 8, 2013 at 16:59 answer added John Johnson timeline score: 8
Sep 8, 2013 at 14:56 comment added biogirl If you are saying if it has modified any food, of course it has. Eg. Urea but if you are saying something totally not derived from food in any way, I think that is impossible. (Except from some microbes in urine/faeces)
Sep 8, 2013 at 7:40 history asked tdog2 CC BY-SA 3.0