The ribosome has a small and a large subunit and is a complex molecule composed of several ribosomal RNA molecules and a number of proteins. Translation of an mRNA molecule by the ribosome occurs ...
RNA molecules differ from DNA molecules in several ... these molecules make up about half of the ribosomal mass. The remaining mass consists of a number of proteins — nearly 60 in prokaryotic ...
Only recently has the ribosome—one of the oldest molecular machines in evolutionary terms—been recognized as an active ...
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