MitosisCell CycleSpindle ApparatusCell Cycle ProteinsAnaphaseCDC2 Protein KinaseG1 PhaseCell DivisionPhosphorylationInterphaseCell Cycle CheckpointsCell DifferentiationG2 PhaseCyclin BHeLa CellsS PhaseTelophaseNocodazoleCentrosomeCyclinsProtein-Serine-Threonine KinasesMicrotubulesMetaphaseMeiosisNuclear ProteinsCell NucleusCyclin B1ChromosomesChromosome SegregationMolecular Sequence DataCell LineMutationG2 Phase Cell Cycle CheckpointsApoptosisDNA ReplicationKinetochoresSaccharomyces cerevisiaeAnaphase-Promoting Complex-CyclosomeSchizosaccharomycesSaccharomyces cerevisiae ProteinsCell ProliferationAurora KinasesMicrotubule-Associated ProteinsDNA-Binding Proteinscdc25 PhosphatasesGenes, cdcCell Line, TumorRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p27Fungal ProteinsCytokinesisAmino Acid SequenceUbiquitin-Protein Ligase ComplexesDNA DamageCyclin AProphaseSchizosaccharomyces pombe ProteinsMenstrual CycleProtein KinasesMicroscopy, FluorescenceModels, BiologicalCyclin-Dependent Kinase Inhibitor p21TubulinG0 PhaseTime FactorsChromosomal Proteins, Non-HistoneCyclin-Dependent Kinase 2Tumor Suppressor Protein p53Cells, CulturedM Phase Cell Cycle CheckpointsFlow CytometrySignal TransductionProtein BindingCyclin EHistonesRNA InterferenceTranscription FactorsCentromereRecombinant Fusion ProteinsDipodomysCdc20 ProteinsTumor Suppressor ProteinsDNABase SequenceFluorescent Antibody TechniqueAurora Kinase BChromatinG1 Phase Cell Cycle CheckpointsTranscription, GeneticBromodeoxyuridineChromatidsTumor Cells, CulturedPolyploidyCell NucleolusMitotic IndexCyclin D1Genes, FungalXenopus ProteinsDemecolcineRNA, Messenger