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.
Brockway is a borough in Jefferson County, Pennsylvania, United States. The population was 2,182 at the 2000 census. Brockway is located at 41Â°14â²52â³N 78Â°47â²29â³W / 41.24778Â°N 78.79139Â°W / 41.24778; -78.79139 (41.247839, -78.791270). According to the United States Census Bureau, the borough has a total area of 1.2 square miles (3.0 kmÂ²), all of it land.