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.
1 You must be 18 years or older to apply. 2  You must be a green card holder for at least 5 years. 3  You must file your application with the State or Service District with jurisdiction that you have truly reside in your place of residence and have been for at least 3 months before applying for citizenship.