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.
The highest mountain in the world is Mount Everest. Its peak rises to 8,848 m (29,028 ft 9 in) â the highest point in the world. First known as Peak XV on the Tibet - Nepal border, it was discovered to be the world's highest mountain in 1856 by the Survey Department of the Government of India, from theodolite readings taken in 1849 and 1850. Its height was calculated to be 8,840m 29,002ft.