Because the carboxyl group is a polar group, fatty acids are soluble in water. b. Most fatty acids in cells contain 16 to 18 carbon atoms per molecule. c. Saturated fatty acids have no double bonds between their carbon atoms.
Hogwarts Express Railway Authorities. The Hogwarts Express is the name of the train that makes a run between London, King's Cross Station Platform 9Â¾ and Hogsmeade Station. It makes this run at about six times a year, maybe more, as needed.
Astronomy is one of the only fields of study at Hogwarts which has a direct equivalent in the Muggle world. Known student activities include learning the names of stars, constellations, and planets, as well as their location and movements, and describing the environments of planets and moons.