多核糖体(polyribosome,或简称为 polysome),又称聚核糖体、多聚核糖体,是一束或一组核糖体。这些核糖体可以附着在mRNA上,同时进行转译,使得蛋白质的转译速度大大加快。
![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Multiple_Ribosomes_Translation_Protein_Synthesis.png/640px-Multiple_Ribosomes_Translation_Protein_Synthesis.png)
![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Final_polysome.jpg/640px-Final_polysome.jpg)
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