That normally occurs after you eat green vegetables (Which contain chlorophyll), fruit or food colorings. Its not something to be worried about unless your already very sick, and if you were, you would know it.
Answer:
A negative feedback initiated by the external simuli or the products of a reaction aims to reduce the products/ output of the reaction. Hence In negative feedback the stimulus is reduced. An example of a negative feedback would be if a person had an elevated body temperature, the homeostatic response would be to lower the body temperature.
Complementary mRNA strand would be the following:
AUCAUCAUC.
3 Repeating codons of AUC, on the mRNA strand.
This resemblance confers an advantage upon one or both organisms by which the ... Other inedible species resembling the first.