NAME: _________________________ DATE: ___________________________ Study Strategy #5: Cell Cycle Song To#the#tune#of#“When#I#Come#Around#2#Green#Day” Cells%need%to%divide To%make%another%cell So%they%go%through%cell%division%and%it’s%split%in%three%parts Interphase,%Mitosis,%Cytokinesis The%first%phase%is%Interphase And%the%cell%was%at%rest Then%it%copies%all%the%chromosomes%–%human%cells%have%46 Split%into%pairs%gives%us%23 Now$the$cell$goes$through$Mitosis Which$is$done$in$4$phases When$the$cell$divides The%first%phase%is%Prophase Nuclear%membrane%then%dissolves The%chromosomes%get%into%their%places%by%the%centrioles Send%out%spindle%fibers%to%the%equator We’re%now%in%Metaphase Chromosomes%meet%in%the%middle Travel%down%the%spindle%fibers,%meet%at%the%equator Then%they%split%in%Anaphase%at%the%centromere Cytoplasm$pulls$the$chroma9ds Back$to$centrioles Cells$start$dividing Last%phase%is%Telophase Where%the%cell%starts%to%tear It%forms%a%cleavage,%then%it%Ightens%where%the%new%cell%can%begin If%you%think%we’re%done%we’ve%sIll%got%one%more%stage In%Cytokinesis The%cell%finally%splits Into%two%cells,%yeah%they’re%new%cells,%with%equal%chromosomes As%were%in%the%first%cell,%called%the%parent%cells No$9me$to$sing$this$song$again Cause$we’re$back$in$Interphase Before$the$cell$divides Yay%for%cell%division It%goes%on%in%your%body It’s%done%in%a%cycle%to%replenish%old%cells Yay%for%cell%division