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.
Welcome to East Petersburg Borough, PA! With a population of about 4500, East Petersburg Borough is conveniently located three miles northwest of the city of Lancaster. It sits on the eastern boundary of East Hempfield Township, and the western boundary of Manheim Township, in the Hempfield School District.