First Last Mrs Scheetz Mrs Jeyasingh Science Computer

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First Last Mrs. Scheetz / Mrs. Jeyasingh Science / Computer Lab 24 October 2011

First Last Mrs. Scheetz / Mrs. Jeyasingh Science / Computer Lab 24 October 2011

Overview of Stages Interphase Cytokinesis Prophase Telophase Metaphase Anaphase

Overview of Stages Interphase Cytokinesis Prophase Telophase Metaphase Anaphase

Interphase Most of the cell’s life is spent in this phase of growth and

Interphase Most of the cell’s life is spent in this phase of growth and development

Interphase Chromosomes are copied and cell prepares for division

Interphase Chromosomes are copied and cell prepares for division

Prophase Nuclear membrane disappears

Prophase Nuclear membrane disappears

Prophase Centrioles appear

Prophase Centrioles appear

Prophase Centrioles begin to move to opposite end of the cell

Prophase Centrioles begin to move to opposite end of the cell

Prophase Spindle fibers form between the poles

Prophase Spindle fibers form between the poles

Metaphase Chromatids attach to the spindle fibers

Metaphase Chromatids attach to the spindle fibers

Metaphase Chromatids line up in the center of the cell

Metaphase Chromatids line up in the center of the cell

Anaphase Centromeres divide

Anaphase Centromeres divide

Anaphase Chromatids separate and begin to move to opposite end of the cell

Anaphase Chromatids separate and begin to move to opposite end of the cell

Telophase 2 new nucleii form

Telophase 2 new nucleii form

Telophase Nuclear Membrane pinches

Telophase Nuclear Membrane pinches

Cytokinesis Cell Membrane moves inward to create two daughter cells each with its own

Cytokinesis Cell Membrane moves inward to create two daughter cells each with its own nucleus and identical chromosomes

division Nuclear membrane disappears. Centrioles appear and begin to move to opposite end of

division Nuclear membrane disappears. Centrioles appear and begin to move to opposite end of the cell Spindle fibers form between the poles Chromatids attach to the spindle fibers and line up in the center of the cell Centromeres divide Chromatids separate and begin to move to opposite ends of the cell Two new nuclei form. Cell membrane pinches Cell membrane moves inward to create 2 daughter cells each with its own nucleii with

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