Cell Cycle

BY: HUNTER SANDERSON

Stage 1: InterphaseThe cell starts to grow.

The cell’s DNA replicates (exact copy).The cell prepares to divide.

Fun Fact

The cell spends 90% of its life in this stage.

http://emt.bu.edu/em610/em610_ol_spring_2008/yanti/interphase_text.JPG

http://micro.magnet.fsu.edu/cells/fluorescencemitosis/interphase2large.html

Official Definition InterphaseThe stage in the development of a cell following mitosis or meiosis, during which the nucleus is not dividing. In cells that will undergo further division, the DNA in the nucleus is duplicated in preparation for the next division. The American Heritage® Science Dictionary

Copyright © 2002. Published by Houghton Mifflin. All rights reserved.

Stage 2: Mitosis Mitosis has four phases:

1. Prophase2. Metaphase3. Anaphase 4. Telophase

http://www.animalgenome.org/edu/genetics/mit.gif

Official Definition Mitosis prophase metaphase anaphase telophase Compare meiosis a method of cell division, in which the nucleus divides into daughter nuclei, each containing the same number of chromosomes as the parent nucleusCollins English Dictionary - Complete & Unabridged 10th Edition2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollinsPublishers 1998, 2000, 2003, 2005, 2006, 2007, 2009

ProphaseThe nuclear membrane and the nucleolus

disappearSpindle fibers appear (ropes)

Start to see duplicated chromosomes

http://www.ivy-rose.co.uk/HumanBody/Cells/Cell-Division_Mitosis-Diagram.php http://www.karlloren.com/biopsy/p66.htm

Official Definition Prophase: The first stage of mitosis, during which the chromosomes condense and become visible, the nuclear membrane breaks down, and the spindle apparatus forms at opposite poles of the cellThe American Heritage® Stedman's Medical Dictionary

Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

MetaphaseThe chromosomes duplicate and move to the

middle.It has sister chromatids on either side.

http://www.ivy-rose.co.uk/HumanBody/Cells/Cell-Division_Mitosis-Diagram.php

http://www.biol.wwu.edu/biology/bionews.shtml

Official Definition Metaphase:biology prophase anaphase See also telophase the second stage of mitosis during which the condensed chromosomes attach to the centre of the spindleCollins English Dictionary - Complete & Unabridged

10th Edition2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollinsPublishers 1998, 2000, 2003, 2005, 2006, 2007, 2009

AnaphaseThe sister chromatids separate and move to

opposite ends.

http://www.visualphotos.com/image/1x7606464/meiosis_in_lilium_anther_anaphase_i_1000_x_optical

http://micro.magnet.fsu.edu/cells/fluorescencemitosis/anaphase3large.html

http://morganterhune3a.edublogs.org/files/2011/11/anaphase-q9m62s.jpg

Official Definition Anaphase: n. The stage of mitosis and meiosis in which the chromosomes move from the equatorial plate toward opposite ends of the nuclear spindle.The American Heritage® Stedman's Medical

DictionaryCopyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

TelophaseThe nuclear membrane and the nucleolus

reappear The chromosomes loosen up and become

chromatids

http://bi.iboss.com/bi.gif?fn=students&fp=2&ip=10.11.43.63&ibip=10.11.11.48&ldu=0&re=1&bu=img.sparknotes.com/figures/D/d756b5b73abe2974f3521a828791899f/telophase.gif&bc=Website%20contains%20prohibited%20Advertisements%20content.

http://upload.wikimedia.org/wikipedia/commons/e/e1/Telophase_in_Animal_Cell.jpg

Telophase:prophase metaphase See also anaphase the final stage of mitosis, during which a set of chromosomes is present at each end of the cell and a nuclear membrane forms around each, producing two new nucleiCollins English Dictionary - Complete & Unabridged

10th Edition2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollinsPublishers 1998, 2000, 2003, 2005, 2006, 2007, 2009

Stage 3: CytokinesisIn cytokinesis the cytoplasm divides.

http://essayweb.net/biology/images/celldivision/cytokinesis.pnghttp://iws.collin.edu/biopage/faculty/mcculloch/1406/notes/mitosis/Images/Cytokinesis%20SEM.jpg

Official Definition Cytokinesis:division of the cytoplasm of a cell, occurring at the end of mitosis or meiosis Collins English Dictionary - Complete & Unabridged

10th Edition2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollinsPublishers 1998, 2000, 2003, 2005, 2006, 2007, 2009

Cell Division TableStages What happens?

Stage 1: Interphase The cell grows, DNA replicates, & the cell prepares to divide

Stage 2: Mitosis

Prophase The nuclear membrane & nucleus disappear

Metaphase

The chromosomes duplicate and move to the middle

Anaphase

The sister chromatids separate and move to either side

Telophase

The nuclear membrane and the nucleus reappear

Stage 3: Cytokinesis The cytoplasm divides