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Cell Size
Surface Area (length x width x 6)Volume (length x width x height)
Ratio of Surface Area to Volume
Ratio of Surface Area to Volume in Cells
Section 10-1
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M phase
G2 phase
S phase
G1 phase
Figure 10–4 The Cell Cycle
Section 10-2
INTERPHASE (G1 - S - G2)
In between divisionsCells are in this phase most of the timeCan see nucleus DNA spread out as chromatin
Can’t see chromosomes DNA gets copied (S)
Cell gets ready to divide
PROPHASE1st dividing phase
Spindle fibers form & attach to chromosomes
Nuclear membrane & nucleolus disappear
DNA scrunches into chromosomes
Centrioles appear in centrosome region & move to poles
Pearson Education Inc publishing as Pearson Prentice Hall
http://www.life.uiuc.edu/plantbio/102/lectures/08mit&veg102.html
________ region organizes spindle
Spindle MICROTUBULES are part of cytoskeletonhttp://www.coleharbourhigh.ednet.ns.ca/library/organelle_worksheet.htm
CENTROSOME
METAPHASE
Chromosomes line up in ___________middle
Images from:Pearson Eduction Ince; Publishing as Pearson Prentice Hall http://www.science.siu.edu/plant-biology/PLB117/JPEGs%20CD/0247.JPG
ANAPHASECentromeres splitCentrioles pull chromatids_______apart
Images from:Pearson Eduction Ince; Publishing as Pearson Prentice Hall http://www.science.siu.edu/plant-biology/PLB117/JPEGs%20CD/0247.JPG
TELOPHASE (reverse prophase steps)
See ______ nuclei
Nuclear membrane & nucleolus returnChromosomes spread out as chromatinCentrioles disappear
Spindle fibers disappear
two
Images from:Pearson Eduction Ince; Publishing as Pearson Prentice Hallhttp://www2.bc.cc.ca.us/cnewton/Biology%2011/Mitosis.html
CYTOKINESISCytoplasm splits into 2 cells
ANIMAL CELLS pinch cytoplasm in two with a ______________________CLEAVAGE FURROW
CYTOKINESISCytoplasm splits into 2 cellsPLANT CELLS can’t pinch because they have a sturdy ____________
Plant cells separate cytoplasm by growing a _______________ down the middle.
CELL PLATE
CELL WALL
http://www.eastcentral.edu/acad/depts/BI/plant_mitosis_nolabels.html
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Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
CentrioleChromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
Go to Section:
Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
CentrioleChromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
Go to Section:
Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
CentrioleChromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
Go to Section:
Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
CentrioleChromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
Go to Section:
Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
CentrioleChromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
Go to Section:
Centrioles
Chromatin
Interphase
Nuclear envelope
Cytokinesis
Nuclear envelope reforming
Telophase
Anaphase
Individual chromosomes
Metaphase
Centriole
Spindle
CentrioleChromosomes
(paired chromatids)
Prophase
Centromere
Spindle forming
Section 10-2
Figure 10–5 Mitosis and Cytokinesis
Go to Section:
includes
is divided into is divided into
Concept Map
Section 10-2
Cell Cycle
Go to Section:
includes
is divided into is divided into
Concept Map
Section 10-2
Cell Cycle
M phase (Mitosis)
Interphase
G1 phase S phase ProphaseG2 phase Metaphase TelophaseAnaphase