Photosynthesis Earth's atmosphere, and supplies all of the organic compounds and most of the energy necessary for life on Earth. Although photosynthesis is performed differently by different species, the process always begins when energy from light is absorbed by proteins called reaction centres that contain green chlorophyll pigments. In plants, these proteins are held inside organelles called chloroplasts, which are most abundant in leaf cells, while in bacteria they are embedded in the plasma membrane. In these light-dependent reactions, some energy is used to strip electrons from suitable substances, such as water, producing oxygen gas. The hydrogen freed by the splitting
Do What You Gotta Do & Tracks for the chart week of January 15, 2000. Do What You Gotta Do "Do What You Gotta Do" is a song written by guitarist Pat Flynn and recorded by the New Grass Revival for their 1989 Capitol album "Friday Night in America". The song was also recorded by American country music artist Garth Brooks. It was released in January 2000 as fifth and final single from the 1997 album, "Sevens". The song reached number 13 on the U.S. "Billboard" Hot Country Singles & Tracks (now Hot Country Songs) charts and peaked at number 18 on the Canadian "RPM"