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Chapter12[CellCycle](replicationofcells)Whendoesmitosisoccurinorganisms(hint:NOTforthedevelopmentofgametes,butit1.isforthegrowthofthealreadyfertilizedegg)DuringgrowthandrepairA.Differencebetweensomaticcellsandgametes1.Productsofmitosis1.AcopyofnucleusA.Whatistheproductofthecellcycle1.Anidenticaldaughtercell(diploid)A.Knowthesubphasesofinterphaseandwhathappensineachone.1.•Interphase(about90%ofthecellcycle)canbedividedintosubphases:A.G1(Gap1),inwhichthecellgrowsandfunctionsnormally.Duringthistime,ahighB.amountofproteinsynthesisoccursandthecellgrows(toaboutdoubleitsoriginalsize)-moreorganellesareproduced,increasingthevolumeofthecytoplasm,numberofmitochondria(Ifthecellisnottodivideagain,itwillenterG0.)Synthesis(S),inwhichthecellduplicatesitsDNA(viasemiconservativereplication).C.ThisisalsoknownastheSwansonphase.G2(Gap2),inwhichthecellresumesitsgrowthinpreparationfordivision.D.Thestageofthecellcyclewhereeachchromosomeiscomposedoftwochromatidsin1.preparationformitosisSresultsintheduplicationofeachchromatid.SincethereisonlyonecentromereonA.thysisterchromatids,westillcallthemonechromosome.Whencompleted,thecellsareinG2andpreparingforM.Knowthephasesofmitosisandbeabletomatcheitheradiagramorawritten1.descriptiontoeachone.Whatiscytokinesisandwhendoesitoccur?1.Howisitdifferentforplantsandanimals?CytokinesisinanimalcellsisthroughaA.processknownascleavage.Cytokinesisisthereplicationoftherestofthecell,cytoplasmetc....Cytokenisis in animal


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NOVA BIO 101 - Chapter 12 Cell Cycle

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