Assembly of lipid-containing viruses.

Carbon Radioisotopes Cell Line Centrifugation, Density Gradient Electrophoresis, Polyacrylamide Gel Glycoproteins/analysis Isotope Labeling Leucine/metabolism Lipids/analysis Microscopy, Electron Mutation Neuraminidase Nucleoproteins/analysis Orthomyxoviridae/metabolism,physiology,ultrastructure RNA, Viral/analysis Temperature Time Factors Tritium Viral Proteins/analysis,biosynthesis

Carbon Radioisotopes Glycoproteins Lipids Nucleoproteins RNA, Viral Viral Proteins Tritium Neuraminidase Leucine