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.
Once you get a green card to become a US citizen you need to have had the green card with continuous physical presence in US for minimum period of 5 years and above the age of â¦ 18 years.n order to become a us citizen you must live as a permanent  resident for five years then apply     If you're not citizen by birth or born to US citizen parent the â¦ n  you can apply through naturalization process. You need to fill in  the Form N-400 for this purpose.