a cell organelle containing catalase, peroxidase, and other oxidative enzymes and performing essential metabolic functions, as the decomposition of fatty acids and hydrogen peroxide.
Sponsored Topics. Ruthven is a city in Palo Alto County, Iowa, United States. The population was 711 at the 2000 census. Ruthven is located at 43Â°7â²50â³N 94Â°54â²1â³W / 43.13056Â°N 94.90028Â°W / 43.13056; -94.90028 (43.130448, -94.900207). According to the United States Census Bureau, the city has a total area of 0.4 square miles (1.1 kmÂ²), all of it land.
Ruthenium is a chemical element with symbol Ru and atomic number 44. It is a rare transition metal belonging to the platinum group of the periodic table.Like the other metals of the platinum group, ruthenium is inert to most other chemicals.The Baltic German scientist Karl Ernst Claus discovered the element in 1844, and named it after Ruthenia, the Latin word for Rus' .uthenium usually occurs as a minor component of platinum ores; annual production is about 20 tonnes. Most ruthenium produced is used for wear-resistant electrical contacts and the production of thick-film resistors. A minor application of ruthenium is its use in some platinum alloys, and as a catalyst.