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Mitosis
Nucleus-___________________________thecell.Nucleolus-Makes_______________________________andmaybemorethan_______inthenucleus.Chromosomes-Determineswhat________________________youwillhaveandpassesinformationfrom____________________to___________________________CellMembrane-Givesthecell______________________andcontrolswhatmoves___________and_________________ofthecell.Cytoplasm-___________________________materialwhere___________________________arefound.Vacuole-__________________________filledandmaystore______________________,___________________________,_______________________or_______________________Mitochondria-Produce____________________whenfoodisbrokendown.Knownasthe______________________________ofthecell.Ribosomes-Where_____________________aremade.Theremaybe___________________inacell.Centrioles-Foundonlyin___________________________cellsandareusedincell________________________________.
Whatismitosis?Whatisthepurposeofmitosis?Whydocellsdivide?_______________________________________________________________________________ProkaryoticCellDivisionBacteriaproduceby___________________________________________.Thisissimplebecausethereareno_____________________________________________.Itbeginswith____________replicationandthecell__________________andwillresultintwoidentical_____________________.EukaryoticCellDivisionMitosis
•
• Meiosis
•
Mitosis !
What is mitosis? What is the purpose of mitosis? Fill in the cell cycle
Describeeachpartofthecellcycle:G1-S-G2-M-Fillinthecellcycle
DNAandCellDivision
• Duringcelldivision,geneticmaterialis__________________
• DNAisdividedintolongchainscalled____________________
• Chromosomesarewrappedaroundproteinscalled_____________________
• ____________________________:theunitwrappedaroundhistones.Twocopiesofeach
chromosomesarecalled
___________________________chromatids
ChromosomeStructure
• Normallythechromosomesareallspreadoutandunidentifiable.
Thisiscalled__________________
• Thetworeplicatedchromosomesarecalledsister_____________________
• Thechromatidsareheldtogetheratthe________________________by
proteinscalled_______________________________.TheCellCycle
• Thelengthoftimeacelltakesinthecycledependsonthetypeof
cell.Usuallythemorespecialized,thelesslikelytheyareto
___________________
• Redbloodcellsarereplicatedatarateof_____________million/sec
• Maturenervecellsdonot_________________________andremainin
theG0stageuntilthey________________.
ChromosomenumberismaintainedbecausetheDNAis_____________________andthendivides.TheSpindleApparatus
• Consistsof______setsofmicrotubules
• Extendfromeachofthecells__________________________.
• Inbothplantsandanimals,thespindlefibersoriginatefrom
_____________________________.Inanimalcellsthecentrosomesare
______________________________.
DescribeInterphase-IsInterphasepartofmitosis?Nuclearenvelopevisible-YESorNOChromosomesvisible-YESorNONucleolusvisible-YESorNOMitosisisdividedinto_______phases:_______________________________________________________________________________________
ProphaseChromosomes________________Centriolesmovetothe__________________ofthecellSpindleapparatusis___________________Nuclearenvelope______________________CentriolesandcentrosomesarethesameMetaphaseMicrotubulespulltheChromosomesto________________________Inthecenterofthecell.“MetaphasePlate”__________________________________connecttocentromeresbetweenthechromatids
AnaphaseRemovalof_________________________proteincausecentromerestoseparate.Thecentromeremovesalongthespindlefiberstothe____________________Chromosomesbegintomove_______________________TelophaseSpindleapparatus_____________________Nuclearenvelope_____________________Chromosomes______________________________________________reappears
Cytokinesis•
•
• o
o AnimalcellwithcleavagefurrowPlantcellwithcellplateOneparentà________________________________________________Chromosomenumberremainsthe_________________________fromonegenerationtothenext,hopefully.
Plantcell AnimalCell
Centrioles
Cytokinesis
Controlofthecellcycle
1.
2.
3. Whatistheroleoftumorsuppressorgenesandwhathappensiftheyaremutated?