title: A polarity gradient in the expression of the replicase gene of RNA bacteriophage Q beta.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D002850:Chromatography, Gel; D002874:Chromosome Mapping; D003090:Coliphages / Q000187:drug effects / Q000201:enzymology / Q000378:metabolism*; D012321:DNA-Directed RNA Polymerases / Q000096:biosynthesis*; D004591:Electrophoresis, Polyacrylamide Gel; D005796:Genes; D007700:Kinetics; D008970:Molecular Weight; D009154:Mutation; D010455:Peptides / Q000032:analysis; D014176:Protein Biosynthesis; D012333:RNA, Messenger; D012367:RNA, Viral / Q000096:biosynthesis; D013460:Sulfur Isotopes; D014316:Tritium; D014498:Uracil / Q000378:metabolism; D014764:Viral Proteins / Q000096:biosynthesis; D014779:Virus Replication
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D010455:Peptides; D012333:RNA, Messenger; D012367:RNA, Viral; D013460:Sulfur Isotopes; D014764:Viral Proteins; D014316:Tritium; D014498:Uracil; D012321:DNA-Directed RNA Polymerases