(A) (B). .
. 15-20 ѡ 65% 35% . . . Endoplasmic Reticulum nuclear envelope . ribozyme . . .







of the 30S Subunit from Thermus thermophilus. Proteins are shown in blue and the single RNA strand in orange.[2] 15-20 . subunit ( ). . . RNA "" Polysome.



of the 50S Subunit from Haloarcula marismortui. Proteins are shown in blue and the two RNA strands in orange and yellow.[3] The small patch of green in the center of the subunit is the active site.



m-RNA Polypeptide Chain " " . Mitocondria . Gunter Blobel 1999.