| http://www.w3.org/ns/prov#value | - The implicit assumption has been made that the presence of the cytoplasmic extract does not in itself affect the rate of sedimentation of the RNA. However, we have recently found that some component of HeLa cell cytoplasmic extracts causes a 1.5-2-fold increase in the sedimentation rate of a number of species of RNA. Since this result bears on the interpretation of many types of experiments, we wi
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