title: Secondary association of exogenous polynucleotides with cells and nuclei in uptake experiments.
mesh_terms: D002458:Cell Fractionation; D002460:Cell Line; D002462:Cell Membrane / Q000378:metabolism*; D002467:Cell Nucleus / Q000378:metabolism*; D003584:Cytological Techniques; D011072:Poly U / Q000031:analogs & derivatives / Q000378:metabolism*
chemical_list: D011072:Poly U