Download study Guide Section 2: Mitosis and Cytokinesis

studyGuide
Section2: Mitosis
andCytokinesis
In your textbook, read about the otagesofmitosis.
Ior eachyatement
belowwritelrueor false,
1. Thenuclear
membrane
disintegrates
duringprophase.
2. Microtubulesmovechromatidsto the polesofthe cellduring anaphase.
3. Chromosomes
reachthe polesof the cellduringmetaphase.
4. The cell'schromatincondenses
into chromosomes
duringprophase.
5. Thenuclearenvelope
re-formsduringanaphase.
6. Chromosomes
attachto spindlefibersand line up alongthe equatorof the
cellduringmetaphase,
Thenucleusreappears
duringprophase.
Cent olesmigrateto the polesofthe cellduring telophase,
Chromatidsarepulledapartduringanaphase.
1 0 . Thefirst stageof mitosisis telophase.
11. Thechromosomes
or unwind duringtelophase.
decondense
a
g
12. Theshorteststageof mitosisis metaphase.
I
l
Labelthediagramdthe stages
ofttitosisusinglifies13-16,Usethese.hoices:
anaphase
13 .
metaphase
14.
prophase
t
$
telophase
g'
I
15.
3
I
t
3
18.
17 .
19.
Label the diagramsaboveusinglines17-20.Usethesechoices:
cenlrioles
centfomete
126 celular
Reproduction
CHAPTER
I
sister chromatido
spindlefibers
Unit 2
CHAPTER
9
Section
QuickCheck Section2: MitosisandCytokinesis
After readittgthesectionifl lour textbook,respondto eachstateftent.
l. Recountthe majoreventsthat happendqringprophase,
2. Describe
thestructureofchromosomes
duringprophase.
3. Sumnrrize
howcytokinesis
occursin plaDtcells.
r
4. Contrastthe spindleapparitusof an animalcellwith that of a plant cell,
a
proposeonewordor a shortphrase
5. Devis€a
lay to lemembereachstageofmitosis.
thatdescribes
eachstage
andalsostartswiththesameletterasthenameof that
stage,for example,telophase*two
niclei
s
I
6
c
F
L
e)
.E
E'
134 Cellular
Reprodudion
CHAPTER
9
unit 2
Section
QuickCheck Section3: Cell
lation
Aftet rcodingthesectionin your textboolgrespondto eaxhstatetuett,
l. Relateapoptosis
to cancer.
2"Explain
howcancerous
cellgrowthdiffersfromnormalcellgrowth.
3. ldentityth€prote-in
andenzpnecomplexthar
is imporrantin controllinrthecell
cycreandrnreeot theproce6ses
it controls,
J
4, Determlne
thesignificance
ofstemcells.
.d
6
5, Deduce
whatwouldhappen
iftherewereno spindlecheckooints,
E
?
,E
gI
,q
CHAPTER
9 Cellulaf
Reproduction
135
Section
Section1: CellularGrowth
QuickCheck
Aftet readifigthesectionin your textbook,rcsponilto eachstateftent,
1. Detinemitosii.
2. Summarize
thestages
ofinterphase.
between
chlomatinandchromosomes.
3, Claritythedifference
I
between
mitosis.ndcytokinesis,
4. Dlstlnguish
c
F
I
E
E
richardiiarc abott 100lm i\
5. Theunicellularsporesof the fern Ceratopteris
Calculate
thesurface-area-to-volume
ratioofa cubewhosesidesare
diameter.
pm
the
surface-area-to-volume
ratioof thefeln
100 in lengthto approximate
soorecell.Showvour work.
;
;
fi
!
5
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CHAPfER
9 Cellular
Reproduction
I
Name
J
Class
StudyGuide
CHAPIER
9
Section1: Cellular
Growth
In your textbook, tead about cell 6izelimitations,
Listteo altenatieefufilresfor cellswhentheyrcachtheir sizelimitatiorls.
1.
2.
In your textbook,readaboutthe cell cycle,
Drawthecellcycleitr thespace
below.Includethefollowinglabels:
cllokinesis,G,,G,
interyhase,mitosis,S.
t
t
3
a
Matchthedefinitiotin ColumnA with thetermin ColumnB.
I
Colqmn
A
Column
B
4, stagein whichthe celldividesinto iwd daughtercellswith
identicalnuclei
t
I
A. Sphase
B. cytokinesis
substage
dfinterphaseimmediatelyaftera celldivides
G,
substage
of interyhaseilr whichthe cellcopiesits DNA
in preparationfor celldivision
6
t
D. G,
stagein whichthe cell'snuclearmaterialdividesandseparates
8 . main stagein whichthe cellgroJvs,
carriesout normalfunctions,
andduplicates
its DNA
interphase
mitosis
9. substagein which the cell preparesfor nucleardMsion and a
proteid that makesmicrotubles for cell division is synthesized
CHAPTER
9 Cellular
Repfoducton125
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Stuily Guiile, Section2; MitosisandCytokinesis
continued
In your textbools read about cftokinesis.
7
G
Animalcell
Plantcells
Referto thediagtamsabove.Respotlilto each
stotemett,
21. Discuss
the role of microfilamentsin
cytokinesis.
22.Summarize
celldivisionin prokaryotes.
r
'c
3
l
E
D-mwthefonnation-of,twogeneticallyidenical
ce-lkitl platlr in thespacebelow,Include
the
Jouowinglabeb:cellplate,identicaldaughterceu6,newcellwall_
E
te
l
E
E
5
3
CHAPTER
9 Cellular
Reproduction
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