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.
Its first realization was a 1957 Playhouse 90 broadcast written by William Gibson and starring Teresa Wright as Sullivan and Patricia McCormack as Keller. Gibson adapted his teleplay for a 1959 Broadway production with Anne Bancroft as Sullivan. The first movie, also starring Bancroft, was released in 1962. Subsequent made-for-television movies were released in 1979 and 2000.