Muscle Fibers, Slow-TwitchMuscle Fibers, Fast-TwitchCell Transformation, NeoplasticTransformation, GeneticTransformation, BacterialCell Transformation, ViralMutationCell Line, TransformedCell LinePlasmidsOncogenesMolecular Sequence DataDNA Transformation CompetenceFibroblastsGenes, rasBase Sequence3T3 CellsCell Division