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.
The Former Holy Cross Catholic Church building and rectory in Iselin, Young Township, Indiana County, Pennsylvania, ca.2002. The church was closed by the Diocese of Greensburg, and is now privately owned.