Summary Science

Cel
lSt
ruct
ureandF
unct
ion

Su
mma
ry
 Al
lLi
vi
ng or
gani
sm ar
emadeup ofcel
l
s.

 The cel
lis t
he f
undament
al uni
t of f
unct
ion of l
i
ving
or
gani
sms.

 Cel
l
scomef
rom pr
eexi
sti
ng cel
l
s

 Pl
ant and ani
malcel
l
s var
yin si
ze and shape but have
common or
ganel
l
es such as pl
asma membr
ane, nucl
eus,
cyt
opl
asm, r
ough and smoot
h endopl
asmi
c r
eti
cul
um,
cyt
oskel
eton,Gol
gicompl
ex,mi
tochondr
ion,and l
ysosome.

 Pl
antcel
l
s have a cel
lwal
l
,chl
oropl
ast
,and l
arge vacoul
es;
t
hesepar
tsar
enotf
ound i
nani
malcel
l
s.

 Ani
malcel
l
s have cent
ri
oles whi
ch ar
e notf
ound i
n pl
ant
cel
l
s.

 The nucl
eus and or
ganel
l
es of eukar
yot
es ar
e membr
ane-
bound;
thosei
npr
okar
yot
esar
enot
.

 Uni
cel
l
ularor
gani
sms have onl
y one cel
l
,whi
ch per
for
m al
l
f
unct
ions whi
l
e mul
ti
cel
l
ularor
gani
sms have many cel
l
s wi
th
di
ff
erentgr
oupsofcel
l
sper
for
ming speci
fi
cfunct
ions.

 Cel
land cel
lpr
oduct
s ar
e ut
il
ized i
n bi
th t
radi
ti
onaland
moder
n bi
otechnol
ogy t
o pr
oduce mat
eri
als t
o mai
ntand
i
mpr
ovel
i
fe.