Amino Acids have a basic structure of three components, an amino group made of âH2N, a carboxyl group âCOOH and the last group is called the R-group or variable group which is composed of Carbon, Hydrogen and Oxygen. The arrangement of the C,H and O in this group determines the name of the amino acid.
: a person born, raised, or living in Puerto Rico. : a person whose family is descended from the island of Puerto Rico. : any item deriving it's origin from the island of Puerto Rico. : any item relating to the people of Puerto Rico/Puerto Ricans.
: any item deriving it's origin from the island of Puerto Rico. : any item relating to the people of Puerto Rico/Puerto Ricans. Puerto Rico is a territory (Commonwealth) of the United States of America and Puerto Ricans have common citizenship, currency and defense.Although Puerto Ricans are U.S. citizens, residents of Puerto Rico pay no federal income tax, nor can they vote in presidential elections.n August 2012, the number of Puerto Ricans on the U.S. mainland reached a record - 4.9 million. Had these people remained in Puerto Rico, the island would be so densely populated that there would be virtually no room for people to live.