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.
Only 2 Presidents have been impeached, Andrew Johnson and Bill Clinton; however, in both cases the Senate fell short of the necessary 2/3 needed to remove them from of â¦ fice. Note: Richard Nixon was never impeached.resident Bill Clinton, like Johnson, was impeached but the Senate lacked the voted needed to remove the President from the White House. none-only two presidents were ever impeached and neither was convicted and removed from office.