enzymic pathways leading to the addition of oxygen or removal of hydrogen from intermediates in the pathway. oxidative phosphorylation. the mitochondrial process by which the free energy from the oxidation of intracellular substrates is made available in the form of ATP for cellular endergonic processes.okâ²sidÄâ²tiv]. an ATP-generating process in which oxygen serves as the final electron acceptor. The process occurs in mitochondria and is the major source of adenosine triphosphate generation in aerobic organisms.
Mexico Cholula de Rivadavia. The largest pyramid, and the largest monument ever constructed, is the QuetzalcÃ³atl Pyramid at Cholula de Rivadavia, 101 km (63 miles) south-east of Mexico City. It is 54 m (177 ft) tall, and its base covers an area of nearly 18.2 ha (45 acres). Its total volume has been estimated at 3.3 million mÂ³ (166,538,400 ftÂ³)compared with the current volume of 2.4 million mÂ³ (84,755,200 ftÂ³) for the Pyramid of Khufu or Cheops.
1 Khufuâs pyramid, known as the great pyramid of Giza, is the oldest and largest, rising at 481 feet (146 meters). 2  Archaeologists say it was the tallest structure in the world for about 3, 800 years. 3  The relationship between Pi (p) and Phi (F) is expressed in the fundamental proportions of the Great Pyramid. The Pyramid of Menkaure, the Pyramid of Khafre and the Great Pyramid of Khufu are precisely aligned with the Constellation of Orion. 2  The base of the pyramid covers 55,000 m2 (592,000 ft 2) with each side greater than 20,000 m2 (218,000 ft2) in area.