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.
Hunker is a borough in Westmoreland County, Pennsylvania, United States. The population was 329 at the 2000 census. Hunker is located at 40Â°12â²16â³N 79Â°36â²58â³W / 40.20444Â°N 79.61611Â°W / 40.20444; -79.61611 (40.204462, -79.616218). According to the United States Census Bureau, the borough has a total area of 0.4 square miles (1.0 kmÂ²), all of it land.