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.
But the spouses of US citizens need not wait for five years and they just need to remain in America as lawful residents for three years and meet the other requirements, to apply for US citizenship. A Green Card holder who is not a minor can file Form N-400, Application for Naturalization, to obtain US citizenship.Similarly, he must have become a permanent resident before five years and must have remained as a permanent resident in America for at least five long years.ut they may not qualify for citizenship, if they had resided abroad for more than 18 months out of that three year period. Similar to the other applicants, spouses of US citizens must not have criminal records and they must have maintained good moral character.