SecurinSeparaseAnaphase-Promoting Complex-CyclosomeUbiquitin-Protein Ligase ComplexesAnaphasePrometaphaseCdc20 ProteinsCyclin B1ChromatidsCell Cycle ProteinsCyclin BNeoplasm ProteinsEndopeptidasesMitosisMad2 ProteinsMetaphaseApc8 Subunit, Anaphase-Promoting Complex-CyclosomeM Phase Cell Cycle CheckpointsChromosome SegregationCdh1 ProteinsSKP Cullin F-Box Protein LigasesSpindle ApparatusDicumarolAneuploidyCDC2 Protein KinaseNocodazoleSaccharomycetalesNuclear ProteinsHeLa CellsSaccharomyces cerevisiae ProteinsApc3 Subunit, Anaphase-Promoting Complex-Cyclosome