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03_37 Mitosis and cytokinesis Slide number: 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Early interphase Restriction checkpoint Cleavage furrow Nuclear envelope Chromatin fibers Centrioles Mitosis Cytokinesis G 1 phase S phase G 2 phase Interphase A B Aster Microtubules Centromere Spindle fiber Sister chromatids Late prophase Prophase Late interphase Metaphase Anaphase C D Chromosomes Nuclear envelopes E Telophase and cytokinesis

03_37 Mitosis and cytokinesis Slide number: 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Early interphase

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Page 1: 03_37 Mitosis and cytokinesis Slide number: 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Early interphase

03_37 Mitosis and cytokinesis

Slide number: 1

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Early interphaseRestrictioncheckpoint

Cleavagefurrow

Nuclearenvelope

Chromatinfibers

Centrioles

MitosisCytokinesis

G1 phaseS phaseG2 phase

Interphase

A

B

Aster

Microtubules

Centromere

Spindle fiber

Sister chromatids

Late prophase

Prophase

Lateinterphase

MetaphaseAnaphase

CD

Chromosomes

Nuclearenvelopes

E

Telophaseand

cytokinesis

Page 2: 03_37 Mitosis and cytokinesis Slide number: 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Early interphase

03_37 Mitosis and cytokinesis

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Early interphaseof daughter cells—a time of normal cellgrowth and function.

Restrictioncheckpoint Mitosis

Cytokinesis

G1 phaseS phaseG2 phase

Interphase

A

Page 3: 03_37 Mitosis and cytokinesis Slide number: 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Early interphase

03_37 Mitosis and cytokinesis

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Nuclearenvelope

Chromatinfibers

Centrioles

MitosisCytokinesis

G1 phaseS phaseG2 phase

Interphase

Late InterphaseCell has passed the restrictioncheckpoint and completed DNAreplication, as well as replicationof centrioles and mitochondria,and synthesis of extra membrane.

Restrictioncheckpoint

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03_37 Mitosis and cytokinesis

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MitosisCytokinesis

G1 phaseS phaseG2 phase

Interphase

B

Aster

Microtubules

ProphaseChromosomes condenseand become visible.Nuclear envelope andnucleolus disperse.Spindle apparatus forms.

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03_37 Mitosis and cytokinesis

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MitosisCytokinesis

G1 phaseS phaseG2 phase

Interphase

B

Centromere

Spindle fiber

Sister chromatids

Late prophase

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03_37 Mitosis and cytokinesis

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MitosisCytokinesis

G1 phaseS phaseG2 phase

Interphase

C

MetaphaseChromosomes alignalong equator, ormetaphase plate of cell.

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03_37 Mitosis and cytokinesis

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MitosisCytokinesis

G1 phaseS phaseG2 phase

Interphase

D

AnaphaseSister chromatidsseparate to oppositepoles of cell.

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03_37 Mitosis and cytokinesis

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Cleavagefurrow

MitosisCytokinesis

G1 phaseS phaseG2 phase

Interphase

Chromosomes

Nuclearenvelopes

E

Telophase and cytokinesisNuclear envelopes begin toreassemble around twodaughter nuclei. Chromosomesdecondense. Spindle disappears.Division of the cytoplasminto two cells.

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03_37 Mitosis and cytokinesis

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Early interphaseof daughter cells—a time of normal cellgrowth and function.

Restrictioncheckpoint Mitosis

Cytokinesis

G1 phaseS phaseG2 phase

Interphase

A