Enterprise is about much more than entrepreneurs and business. reaction stimulates and nurtures enterprising behaviour and skills amongst people of all ages where they live, work ...
re·ac·tion (r-k sh n) n. 1. a. A response to a stimulus. b. The state resulting from such a response. 2. A reverse or opposing action. 3. a. A tendency to revert to a former ...
A chemical reaction is a process that always results in the interconversion of chemical substances. The substance or substances initially involved in a chemical reaction are called reactants. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which are in general different from the reactants.
Antigen-antibody reaction. A reaction that occurs when an antigen combines with a corresponding antibody to produce an immune complex. A substance that induces the immune system to ...
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