ribosome
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Difino
A ribosome is an organelle composed of rRNA and ribosomal proteins. It translates mRNA into a polypeptide chain (e.g., a protein).It can be thought of as a factory that builds a protein from a set of genetic instructions. Ribosomes can float freely in the cytoplasm (the internal fluid of the cell) or bind to the endoplasmic reticulum, or to the nuclear envelope. Since ribosomes are ribozymes, it is thought that they might be remnants of the RNA world.
Source: [wikipedia: ribosome]



organelles:cell_biology

Introduction to the Ribosome
 overview of structure, role, including bacterial antibiotic resistance, and mechanism of action. includes glossary and technology for structure based drug design at pharmaceuticals inc, new haven, ct.


Ribosomal Database Project
 rdp ii now includes a comprehensive tutorial for data analysis, rrna derived phylogenetic trees, and aligned and annotated rrna sequences, maintained at the center for microbial ecology, msu, east lansing, mi.





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