Prevent Drunkenness~ Amethyst comes from the Greek amethystos meaning not drunken.. In Greek myth, amethyst was a pure young girl who refused to get drunk, thus incurring the wrath of Dionysus, the god of joviality. To protect her from his wrath, the goddess Diana turned her into quartz.
cellular respiration definition The chemical process that generates most of the energy in the cell, supplying molecules needed to make the metabolic reactions (see metabolism) of an organism run. Note: The main carrier of energy in metabolism is the molecule ATP.
Cellular respiration is a pathway that organisms use to generate energy. Oxygen is required for cellular respiration and is used to break down nutrients, like sugar, to generate ATP (energy) and carbon dioxide and water (waste).