Why is uracil important?

Name 5 landforms found in the US? Which subunit of an atom present in equal numbers? How many types of mazes are there for intelligence testing in rodents? What happens when you mix supercool ice and superhot steam.which state of matter exist? How many grains in a teaspoon? What are three properties of brass to show that it is mixture? What kind of igneous rocks for on earths surface? What group on the periodic table usually doesn't make compounds? Is energy absorbed or released when a solid melts a liquid vaporizes a gas condenses and a liquid melts? What is floem and xylem? How many ounces is 35cm? Is the color of iron wire a physical or chemical change? Which Plant of dock family with arrow shaped leaves? How does the mass per nucleon in uranium compare with the mass per nucleon in the fission fragments or uranium? What roles do all types of tissue have? How does Water remove soluble components? Where is 61N 149W? Where is the location of Latitude 27.0566097 Longitude 80.24018481? What is The texture of the cassava leaf? How can you identify an acid and a base from their chemical formulas?