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UCSD BILD 1 - Cell Cycle Mitosis

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BioFlix Photosynthesis animation (MasteringBiology website)a.____$c.____$d.____$b.____$$$$e.____$$f.____$$h.____$$$$g.____$Label the following diagram using these labels: water, G3P, carbon dioxide, oxygen, ATP, ADP + P, NADPH, and NADP+True or false? 1. Cellular respiration is unique to heterotrophs A. True B. False 2. Prokaryotes can perform photosynthesis A. True B. False 3. Oxygen is produced in the Calvin Cycle A. True B. FalseImportance of Cell Division 1014$cells$1$cell$Interphase Centrosomes$Chroma7n$(duplicated)$Nuclear$envelope$End$of$Interphase:$? $DNA$duplicated$? $centrosomes$duplicated$Figure$12.6$G1$G2$S$Mitosis – division of chromosomes Prophase$Prometaphase$Metaphase$Anaphase$Telophase$MitoAc$Phase$Cytokinesis$–$division$of$cells$M$MitoAc$Phase:$Prophase$Early$mito7c$spindle$Centromere$Chromosome,$consis7ng$of$two$sister$chroma7ds$By$End$of$Prophase:$? $chromosomes$condense$to$sister$chromaAds$? $mitoAc$spindle$begins$to$form$? $centrosomes$move$away$from$each$other$Figure$12.6$M$Condensed$chromosomes$(blue)$Mito7c$spindle$(green)$MitoAc$Phase:$Metaphase$By$End$of$Metaphase:$? $MitoAc$Spindle$formed$? centrosomes$at$opposite$poles$? $sister$chromaAds$aKached$to$the$spinlde$? $chromosomes$aligned$at$‘metaphase$plate’$Figure$12.6$Spindle$Metaphase$plate$Centrosome$at$$one$spindle$pole$M$Structure of the Condensed Chromosomes 0.5$µm$Sister$chromaAds$centromere$1$chromosome$1$chromosome$2$chromaAds$1$chromosome$ 1$chromosome$In Metaphase Chromosome align at Metaphase Plate Figure$12.7$Sister$chroma7ds$MitoAc$Spindle$pulls$apart$sister$chroma7ds$to$opposite$cell$poles$Microtubules$Kinetochore$Kinetochore$Centromere$Centrosome$Microtubules$MitoAc$Phase:$Metaphase$M$A$B$MitoAc$Phase:$Anaphase$By$End$of$Anaphase:$? $Sister$chromaAds$separate$into$2$chromosomes$? $kinetochore$microtubules$shorten$? Microtubules$pull$chromaAds$to$opposite$ends$$of$the$cell$Figure$12.6$Daughter$$chromosomes$M$MitoAc$Phase:$Telophase$By$End$of$Telophase:$? $two$nuclei$begin$to$form$? $chromosomes$deOcondense$? $end$of$mitosis,$cytokinesis$is$underway…$Figure$12.6$Nuclear$$envelope$forming$Cleavage$furrow$M$Clicker question: If cells in the process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested? • A) anaphase B) prophase C) telophase D) metaphase E)


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UCSD BILD 1 - Cell Cycle Mitosis

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