Cell CycleCell Cycle ProteinsEukaryotaCell Cycle CheckpointsMolecular Sequence DataG1 PhaseSpheroids, CellularPhylogenyCell DivisionMitosisS PhaseCyclinsIsopteraVolvoxModels, BiologicalAmino Acid SequenceEukaryotic CellsApoptosisDictyosteliumMenstrual CycleCell ProliferationCiliophoraG2 PhaseSignal TransductionHypermastigiaMutationBase SequenceForaminiferaEvolution, MolecularCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinCell Line, TumorChoanoflagellataG2 Phase Cell Cycle CheckpointsCryptophytaArchamoebaeCercozoaProtozoan ProteinsCell LineBiological EvolutionProtein-Serine-Threonine KinasesAlveolataTrichomonas vaginalisPhosphorylationMyxococcus xanthusG0 PhaseCDC2 Protein KinaseFlow CytometryDNA-Binding ProteinsCell NucleusRNA, Ribosomal, 18SDNA ReplicationTranscription FactorsG1 Phase Cell Cycle CheckpointsTumor Suppressor Protein p53OligohymenophoreaSequence Homology, Amino AcidTumor Cells, CulturedCyclin-Dependent Kinase 2Saccharomyces cerevisiaeDNA DamageCell DifferentiationNuclear ProteinsTime FactorsCyclin D1Cells, CulturedDinoflagellidaPlanktonSpores, ProtozoanSequence AlignmentGenome, ProtozoanCyclin EGene Expression RegulationGenes, ProtozoanGiardia lambliaGenes, cdcCell SurvivalSymbiosisAmoebaCyclin AInterphaseSequence Analysis, DNARNA, MessengerMorphogenesisCyclin BTumor Suppressor ProteinsTranscription, GeneticCyclin-Dependent Kinase 4RNA, ProtozoanTrichomonasDNAPhenotypeHeLa CellsCDC2-CDC28 KinasesCaenorhabditis elegansMesomycetozoeaGene Expression Regulation, DevelopmentalSaccharomyces cerevisiae ProteinsFungal Proteins