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Mitosis is conventionally divided into five phases:

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Presentation on theme: "Mitosis is conventionally divided into five phases:"— Presentation transcript:

1 Mitosis is conventionally divided into five phases:
Prophase Prometaphase Metaphase Anaphase Telophase Cytokinesis is well underway by late telophase For the Cell Biology Video Myosin and Cytokinesis, go to Animation and Video Files. BioFlix: Mitosis Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

2 Chromosome, consisting of two sister chromatids
Fig. 12-6 G2 of Interphase Prophase Prometaphase Metaphase Anaphase Telophase and Cytokinesis Centrosomes (with centriole pairs) Chromatin (duplicated) Early mitotic spindle Aster Centromere Fragments of nuclear envelope Nonkinetochore microtubules Metaphase plate Cleavage furrow Nucleolus forming Figure 12.6 The mitotic division of an animal cell Daughter chromosomes Nucleolus Nuclear envelope Plasma membrane Chromosome, consisting of two sister chromatids Kinetochore Kinetochore microtubule Spindle Centrosome at one spindle pole Nuclear envelope forming

3 Figure 12.9 Cytokinesis in animal and plant cells
Vesicles forming cell plate Wall of parent cell 1 µm 100 µm Cleavage furrow Cell plate New cell wall Figure 12.9 Cytokinesis in animal and plant cells Contractile ring of microfilaments Daughter cells Daughter cells (a) Cleavage of an animal cell (SEM) (b) Cell plate formation in a plant cell (TEM)

4 10 µm Fig. 12-10 Nucleus Chromatin condensing Nucleolus Chromosomes
Cell plate Figure Mitosis in a plant cell 1 Prophase 2 Prometaphase 3 Metaphase 4 Anaphase 5 Telophase


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