Structure of epinephrine. Epinephrine is derived from tyrosine, an amino acid. Epinephrine is sometimes referred to as a catecholamine as it contains the catechol moiety. This is a part of the molecule that contains the group C 6 H 4 (OH) 2. Dopamine and norepinephrine are also referred to as catecholamines. They too are synthesized from tyrosine and contain the catechol moiety.
Mount Everest. Standing at about 29,029 feet (8,848 meters), Everest boasts the top spot for the tallest mountain in the world. It is located on the border between Sagarmatha Zone, Nepal, and Tibet, China and is part of the Himalayan Mountain Range.ho Oyu is the sixth highest mountain in the world and stands at about 26,906 feet (8,201meters) high. Like most of the other Himalayan Mountains, it lies between Nepal and China (Tibet). Its name in Tibetan means âTurquoise Goddessâ.
There are two mountains that could claim the title of the world's tallest. The summit of Mount Everest is higher above sea level than the summit of any other mountain, but Mauna Kea is the tallest when measured from base to summit. Mount Everest. When measuring mountain summits by their height above sea level, Mount Everest is the highest mountain in the world. Standing at 29,035 feet (8,850 meters) it reigns over the eight-thousanders club, a list that consists of the 14 mountains on Earth that are at least 8,000 meters tall.