Formation of defective bacteriophage particles by fr amber mutants. II.
D002499:Centrifugation, Density Gradient; D003090:Coliphages; D009154:Mutation; D012328:RNA Viruses; D012260:Ribonucleases; D014529:Uridine / Q000378:metabolism
D012260:Ribonucleases; D014529:Uridine