An enzyme is a catalyst that helps to speed up the rate of a reaction by lowering the activation energy of a reaction. There are many enzymes in the human body, without which lots of important reactions would never take place. Cellular respiration is one example of a reaction that is catalysed by enzymes.
Sullivan Act Tim Sullivan, a major Irish criminal passed the Sullivan Act in 1911 to help his constituents rob strangers or to help them against Italian incomers. That is the crux of story that goes with a very early gun control law.
Thespis, or The Gods Grown Old, was the first collaboration between librettist W. S. Gilbert and composer Arthur Sullivan. Gilbert and Sullivan wrote a total of fourteen comic operas together, the rest of which are referred to as the Savoy Operas. Thespis premiered in London at the Gaiety Theatre, on December 26, 1871, and ran for 64 performances. â Excerpted from Thespis (opera) on Wikipedia, the free encyclopedia.