Even viruses, which are not considered living but organic molecules, are composed of proteins. Ribosomes are composed of ribosomal RNA and proteins. This RNA is synthesized and ribosome assembly takes place in the nucleolus of the nucleus in eukaryotes. Yes, all healthy animal cells contain ribosomes.
If you earn 5,000 points during your three-month challenge you then keep your gold status for a whole year and it only expires on February 28th of the following year. So whether you earn status on January 1 or December 31, 2014 your elite status is valid until February 2016 (a bit of an odd rule, but thatâs how it works with AA).
1 A-1, A-2, G-1, G-2, G-3, G4 diplomats, government representatives, and staffs: âDuration of Status,â (D/S), meaning you can remain in the U.S. for as long as U.S. Secretary of State continues to recognize you as a member of the diplomatic category. 2  You do not need to apply to extend your stay. Extensions are allowed up to a maximum total stay of six years (with exceptions, notably for persons who are seeking permanent residence through the job). 2  After getting your H-1B, any time you spend outside the U.S. is added on to and extends your three years. 3  H-1C registered nurses: Three-year maximum.