Polar Amino Acids An amino acid is polar when the R group is an alcohol, thiol, or amide. 11. Acidic Amino Acids An amino acid is acidic when the R group is a carboxylic acid. 12. Basic Amino Acids An amino acid is basic when the R group is an amine.
Friedensburg is a census-designated place (CDP) in Schuylkill County, Pennsylvania, United States. The population was 828 at the 2000 census.
Friedberg, Bavaria. Friedberg is a city in the district Aichach-Friedberg, Bavaria, Germany, with some 30,000 inhabitants. It is located next to Augsburg at the Lech river. The city was founded in the 13th century in order to collect a toll from people using the bridge across the Lech River.