Beginning with energy sources obtained from their environment in the form of sunlight and organic food molecules, eukaryotic cells make energy-rich molecules like ATP and NADH via energy pathways including photosynthesis, glycolysis, the citric acid cycle, and oxidative phosphorylation.
Orange County is a county located in the U.S. state of Florida. As of the 2010 census, the population was 1,145,956, making it the fifth-most populous county in Florida. The county seat is Orlando. Orange County is included in the Orlando-Kissimmee-Sanford, Florida Metropolitan Statistical Area.
Orlando International Airport is one of the busiest airports in the world due to its proximity to a range of tourist destinations such as Disney World, Universal Studios and the Kennedy Space Center. It is located in Orange County, Florida, around 9 miles southeast from downtown Orlando.