MitosisMitosisAA form of eukaryotic cell division that produces two daughter cells with form of eukaryotic cell division that produces two daughter cells with

the same genetic component as the parent cell. the same genetic component as the parent cell.

Words to knowWords to knowStarting text page 67Starting text page 67

PhotosynthesisPhotosynthesis

RespirationRespiration

FermentationFermentation

ReplicationReplication

Cell CycleCell Cycle

ChromosomeChromosome

ChromatidChromatid

CytokinesisCytokinesis

CentromereCentromere

MitosisMitosis

Mitosis is a form of eukaryotic cell division that produces two daughter Mitosis is a form of eukaryotic cell division that produces two daughter cells with the same genetic component as the parent cell. cells with the same genetic component as the parent cell.

Chromosomes are replicated.Chromosomes are replicated.

Chromosomes are divided in such a way as to ensure that each Chromosomes are divided in such a way as to ensure that each daughter cell receives a copy of every chromosome.daughter cell receives a copy of every chromosome.

In actively dividing animal cells, the whole process takes about one In actively dividing animal cells, the whole process takes about one hour.hour.

The length of the Cell Cycle depends on the type of cell. The length of the Cell Cycle depends on the type of cell. Human liver cell takes 22 hours. Human liver cell takes 22 hours.

Human brain cell never leave Interphase.Human brain cell never leave Interphase.

PodcastPodcastMitosisMitosis

http://www.youtube.com/watch?v=1cVZBV9tD-Ahttp://www.youtube.com/watch?v=1cVZBV9tD-A

The Cell CycleThe Cell CycleThe regular series of growth and cell divisionThe regular series of growth and cell division

Stage 1Stage 1 InterphaseInterphase

Stage 2Stage 2 MitosisMitosis

Stage 3Stage 3 CytokinesisCytokinesis

Cell CycleCell Cycle

Cell CycleCell Cycle

Interphase Interphase Cell grows to mature sizeCell grows to mature sizeCell makes a copy of DNACell makes a copy of DNACell prepares to divide into 2 cellsCell prepares to divide into 2 cells

MitosisMitosis ProphaseProphaseMetaphaseMetaphaseAnaphaseAnaphaseTelophaseTelophase

Cytokinesis Cytokinesis Cell membrane pinches inwardCell membrane pinches inwardEach daughter cell winds up with identical chrosomomesEach daughter cell winds up with identical chrosomomes

Organelles and cytoplasm are sent to each daughter cellOrganelles and cytoplasm are sent to each daughter cell

Cell Division by MitosisCell Division by Mitosis

MitosisMitosis

ProphaseProphase Chromatin condenseChromatin condense

Spindle fibers form bridgeSpindle fibers form bridgeNuclear membrane breaks downNuclear membrane breaks down

MetaphaseMetaphase Chromosomes line in middleChromosomes line in middle

Chromosomes attach at spindle fiberChromosomes attach at spindle fiberCentromeres hold chromosomes togetherCentromeres hold chromosomes together

AnaphaseAnaphase Centromere splitsCentromere splitsChromatids move to opposite sidesChromatids move to opposite sidesCell becomes stretched at either endCell becomes stretched at either end

TelophaseTelophase New nuclear membrane forms New nuclear membrane forms around each region of around each region of chromosomechromosome