It has its own promoter (PI). A gene cluster, including promoter and any regulatory DNA sequences is called an operon, for example, the Lac operon. In this case, transcription from the operon is induced in response to a molecular signal-i.e. the presence of lactose, or allolactose.
Maxwell House Coffee's successful slogan, Good to the last drop was historically credited to the 26th President of the United States, Theodore Roosevelt. The folklore claims that during Roosevelt's visit in Nashville in 1907, he was served Maxwell House coffee. So impressed with the coffee, the president apparently said the famous words.
The saying stuck. It was indeed too good to pass. The slogan was adopted, Good to the last drop, right on the spot. It has been heralded practically around the world. Maxwell House coffee is used far and wide, and those who once enjoy a cup readily and heartily agree with Theodore RooseveltâGood to the last drop. Maxwell House coffee is the largest selling brand of high grade coffee in the world.