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.
In 1767 Townshend proposed a new set of measures known as the Townshend Acts. The Acts were passed in early June with an overwhelming support of parliament, and were to be effective on November 20th. After the the British had to show the colonies that Britain had the right to tax the colonies, raise â¦.