ATP transports chemical energy within cells for metabolism. It is one of the end products of photophosphorylation, cellular respiration, and fermentation and used by enzymes and structural proteins in many cellular processes, including biosynthetic reactions, motility, and cell division.TP transports chemical energy within cells for metabolism. It is one of the end products of photophosphorylation, cellular respiration, and fermentation and used by enzymes and structural proteins in many cellular processes, including biosynthetic reactions, motility, and cell division.
Perhaps the most well known event that occurred recently on this day was in 1998 when President Clinton was impeached for lying to a grand jury about his affair with Monica Lewinski. All of this, along with more, is explained in the This Day in History Video: December 19th.
Impeachment of Presidents Andrew Johnson and Bill Clinton. In 1867 the 17th U.S. President Andrew Johnson, successor to the Presidency when Abraham Lincoln was assassinated, became the first President in American History to be impeached.Over One Hundred and Thirty years later history would repeat itself.resident Bill Clinton made a public apology from the White House Rose Garden on December 11, 1998 for his words and deeds during his presidency which brought the impeachment inquiry of Congress. Bill Clinton was impeached on December 19, 1998.