Any process that modulates the frequency, rate or extent of CDK activity [goid 79] [pmid 9469815] [evidence TAS]; The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of a ubiquitin moiety, or multiple ubiquitin moieties, to the protein [goid 6511] [pmid 9469815] [evidence TAS]; The progression of biochemical and morphological phases and events that occur in a cell during successive cell replication or nuclear replication events. Canonically, the cell cycle comprises the replication and segregation of genetic material followed by the division of the cell, but in endocycles or syncytial cells nuclear replication or nuclear division may not be followed by cell division [goid 7049] [evidence IEA]; Progression through mitosis, the division of the eukaryotic cell nucleus to produce two daughter nuclei that, usually, contain the identical chromosome complement to their mother [goid 7067] [evidence IEA]; The chemical reactions and pathways resulting in the breakdown of cyclins, proteins whose levels in a cell varies markedly during the cell cycle, and which play key roles in regulating cell cycle phase transitions [goid 8054] [pmid 9469815] [evidence TAS]; The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, with ubiquitin-protein ligation catalyzed by the anaphase-promoting complex, and mediated by the proteasome [goid 31145] [pmid 11285280] [evidence EXP]; The process resulting in the physical partitioning and separation of a cell into daughter cells [goid 51301] [evidence IEA]; Any process that stops, prevents or reduces the frequency, rate or extent of ubiquitin ligase activity during the mitotic cell cycle [goid 51436] [pmid 15029244] [evidence EXP]; Any process that stops, prevents or reduces the frequency, rate or extent of ubiquitin ligase activity during the mitotic cell cycle [goid 51436] [pmid 14593737] [evidence EXP]; Any process that activates, maintains or increases the rate of ubiquitin ligase activity during the mitotic cell cycle [goid 51437] [pmid 10793135] [evidence EXP]