Within the ribosome, the rRNA molecules direct the catalytic steps of protein synthesis â the stitching together of amino acids to make a protein molecule. In fact, rRNA is sometimes called a ribozyme or catalytic RNA to reflect this function.
Tue, Jan 7th, 09:15 PM. To become U.S. citizens, foreigners must first become permanent residents (green card holders). Legal residents can apply for U.S. citizenship, but after five years of being green card holders. For immigrants married to U.S. citizens, from green card to U.S. citizenship will take around three years. People who received their resident cards based on having received asylum status can apply for naturalization four years from the date on which they received their resident cards.
N-400 Eligibility Requirements. In order to apply for U.S. citizenship, you must meet the following requirements: Be at least 18 years old. Have had a valid Green Card at least five years. If you are married to U.S. citizen you may apply after three years with a valid Green Card.