Split and merge into it. Answer by FarhatAzim. Confidence votes 260. a substance that is formed in a chemical reaction is called a product. =) After a chemical reaction, new chemicals are formed. For an example:- NaOH + HCl = NaCl + HOH(H2O). Chemical substances are formed in chemical reactions.plit and merge into it. Answer by FarhatAzim. Confidence votes 260. a substance that is formed in a chemical reaction is called a product. =) After a chemical reaction, new chemicals are formed. For an example:- NaOH + HCl = NaCl + HOH(H2O). Chemical substances are formed in chemical reactions.
Eicosanoids are an extremely complex group of organic molecules that have a number of functions in the body. Derived from fatty acids, they are signaling molecules, with a short half-life, that control a number of different pathways.icosanoids are an extremely complex group of organic molecules that have a number of functions in the body. Derived from fatty acids, they are signaling molecules, with a short half-life, that control a number of different pathways.
A hormone (from Greek á½ÏÎ¼Î®, impetus) is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour. Eicosanoids â hormones derive from lipids such as arachidonic acid, lipoxins and prostaglandins. 2  Steroid â Examples of steroid hormones include the sex hormones estradiol and testosterone as well as the stress hormone cortisol.