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).
The airline offers status matches to an equivalent level with oneâs current program and requires a corresponding number of miles to be flown within 90 days to maintain that specific status. Uniquely, status match participants can fly on either United or Copa Airlines to qualify, and all fares are eligible. The new status can be earned based on mileage flown or on the number of flight segments flown within 90 days, which is helpful for people who travel frequently but on short-distance flights.