The Cost of Preparing for the Boston Marathon. Running is free â and surprisingly cost-efficient in the long term. But if you need a little help, there are marathon training resources available for a price. According to a 2015 article by RunnersWorld.com, a running coach can cost $50 to $200 per month.
inhibitor. 1  a person or thing that inhibits. 2  Chemistry. a substance that decreases the rate of or stops completely a chemical reaction. 3  any impurity in a mineral that prevents luminescence. Compare activator (def 3). 4  Rocketry. an inert antioxidant used with solid propellants to inhibit burning on certain surfaces.
Enzyme inhibitors are molecules that interact in some way with the enzyme to prevent it from working in the normal manner. Poisons and drugs are examples of enzyme inhibitors. Inhibitors change the shape of the enzyme and make it nonuasable to a substrate.