11 Transport in Cells-S (KEY)
This text explores how water moves in and out of cells through osmosis, highlighting the importance of water balance in the body. Disrupted water levels can harm cells and organs, potentially causing swelling, brain damage, or even death.
Mason Bennett
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Tftwepon in Ceite
How da water molecules W W and out of ceils?
w ?
Water iccwmis for over 7(WT the human body. If water Jeyelssre not regulated maintained in an
otganlsm t k ; pn&SlieiKK can k disitfteoiJS- CHfc nd [issues may swell, bltmd cells burst, or the brain
may expand so much ft pushes on the skill, leading to brain damage and death. So what exactly is the
process that allwe organisips to regulate and maintain dieir water content?
Mattel I -TWavemem of Water In and Out of Ceik
Sugar molecules (sciute)
+ ~.aleculea (solvent!
I- A st a white i s o K M tnbted For the wlutw in M o d e l 1
sfld PWld? the s bolfpr ffle
a- s o t e
§ j j g @
b- SPl eRL
4ter i
2. Caraidtf the aUeqi rhe g rand W W itepkcuiesin Model 1- W e b mQ pdesin the diagram
J s e t k wintate?
Jbe sugar wolEc s e too Jfcge wft. thrush the seiemvehuermizbie membrane. Therefore, only
rhe w w riiioysh ite
3. (Sfiffi eie rhe fnpie in Model J.
Outbid? rhe £eli
Kwikf r of &§3F &
Kvmber W F >5 d
4:1 i:t
Tftwepon in Ceite
How da water molecules W W and out of ceils?
w ?
Water iccwmis for over 7(WT the human body. If water Jeyelssre not regulated maintained in an
otganlsm t k ; pn&SlieiKK can k disitfteoiJS- CHfc nd [issues may swell, bltmd cells burst, or the brain
may expand so much ft pushes on the skill, leading to brain damage and death. So what exactly is the
process that allwe organisips to regulate and maintain dieir water content?
Mattel I -TWavemem of Water In and Out of Ceik
Sugar molecules (sciute)
+ ~.aleculea (solvent!
I- A st a white i s o K M tnbted For the wlutw in M o d e l 1
sfld PWld? the s bolfpr ffle
a- s o t e
§ j j g @
b- SPl eRL
4ter i
2. Caraidtf the aUeqi rhe g rand W W itepkcuiesin Model 1- W e b mQ pdesin the diagram
J s e t k wintate?
Jbe sugar wolEc s e too Jfcge wft. thrush the seiemvehuermizbie membrane. Therefore, only
rhe w w riiioysh ite
3. (Sfiffi eie rhe fnpie in Model J.
Outbid? rhe £eli
Kwikf r of &§3F &
Kvmber W F >5 d
4:1 i:t
How da water molecules W W and out of ceils?
w ?
Water iccwmis for over 7(WT the human body. If water Jeyelssre not regulated maintained in an
otganlsm t k ; pn&SlieiKK can k disitfteoiJS- CHfc nd [issues may swell, bltmd cells burst, or the brain
may expand so much ft pushes on the skill, leading to brain damage and death. So what exactly is the
process that allwe organisips to regulate and maintain dieir water content?
Mattel I -TWavemem of Water In and Out of Ceik
Sugar molecules (sciute)
+ ~.aleculea (solvent!
I- A st a white i s o K M tnbted For the wlutw in M o d e l 1
sfld PWld? the s bolfpr ffle
a- s o t e
§ j j g @
b- SPl eRL
4ter i
2. Caraidtf the aUeqi rhe g rand W W itepkcuiesin Model 1- W e b mQ pdesin the diagram
J s e t k wintate?
Jbe sugar wolEc s e too Jfcge wft. thrush the seiemvehuermizbie membrane. Therefore, only
rhe w w riiioysh ite
3. (Sfiffi eie rhe fnpie in Model J.
Outbid? rhe £eli
Kwikf r of &§3F &
Kvmber W F >5 d
4:1 i:t
Tftwepon in Ceite
How da water molecules W W and out of ceils?
w ?
Water iccwmis for over 7(WT the human body. If water Jeyelssre not regulated maintained in an
otganlsm t k ; pn&SlieiKK can k disitfteoiJS- CHfc nd [issues may swell, bltmd cells burst, or the brain
may expand so much ft pushes on the skill, leading to brain damage and death. So what exactly is the
process that allwe organisips to regulate and maintain dieir water content?
Mattel I -TWavemem of Water In and Out of Ceik
Sugar molecules (sciute)
+ ~.aleculea (solvent!
I- A st a white i s o K M tnbted For the wlutw in M o d e l 1
sfld PWld? the s bolfpr ffle
a- s o t e
§ j j g @
b- SPl eRL
4ter i
2. Caraidtf the aUeqi rhe g rand W W itepkcuiesin Model 1- W e b mQ pdesin the diagram
J s e t k wintate?
Jbe sugar wolEc s e too Jfcge wft. thrush the seiemvehuermizbie membrane. Therefore, only
rhe w w riiioysh ite
3. (Sfiffi eie rhe fnpie in Model J.
Outbid? rhe £eli
Kwikf r of &§3F &
Kvmber W F >5 d
4:1 i:t
4- W W f c
spiran,
in
Model
1
|s more
conc.exrcared
—
the
soUtion
inside die cell or outside of Lie
your answer in terms ci the ratio of salute to solvenr particles.
The solution outside of the cell has a higher solute to sohentrado, so it
K
p w e concentrated.
§. Consider the arrows
indicating
movement of watet across the membrane.
a. fr* which
direction
are
w'eces
molecules mcc
win
—
arto Qf out of the
The water molec’rle re movingboth mm and out of the cell.
b
■ Are mote watCT into ar out of the cell?
water molecule moving out of the cell.
£• Is the net dU J W pi wafer
W - W
into or out of the cell?
Thej
t
direction of waler moy
s m
is awl of ine reU-
6. Circle the correct ward
bptawta
indicate dw ch gF i& the farrceti hon of the sugar saluWHi
fin eadj side of the memh np water matep move-
*■ The rcrilition wside the cell
will
become
G t o )
I. concentra
d with
die net movement <4
*
b. The solution
OP
side the
f
e
U
will
become
(mpffi
h
-
■
. concentrated with the net movement of
W
T
Appb-Wgwhat you alreadyknow about die random wplecUe what
will
eventu-
aliy happen to the concentration on both sides of the membrane?
Th?
will
eventually reach dvnamic equilibrium; the canceutzamm
wjji
be the s.am?
iwd?
M
WalPF
will
nnweHcroasthe
membrane equally ia both
dfwpjws.
8, The
deflnitwft
of
diffuse
is the movement of raulemiesacrossa an area of
high concentEacom to an area of low ccHicentiatwiu Accessing to this definition,
»
die ceif in
Xbodsa
i
uadec oiiig: dit tusmn?
Answers
will
vary;
Some students may understand that from theperspecnveofdie water molecukcon-
f&ftjflibm
ih?
JB
hfodrf
I » fiw?wfltwith
d
usidoe.
Others
will
say
to-teom
d
perspechve
of Uie
sugar
sojuliotj con
wwalmB,
rt
i.s
going the c
positatentm.
9, In the cell diagram in Mod&l L, wtiP£
diphigh
f
concentration of water
—
ma or outside of
the £f U?
4 ar
nwf'
■
w w+a*
10, Is the
ceilia
Model
1
undergoing diffusion if you consider the c0r»HW4FW of water on either
side of the selectively permeable membsann? Explain.
Tfefi,
the et
(ftnectFon
of water
mo/ecule
moveamentis
f>»m the area of Wgh
w a
ter
moJanul
e
powientr.a-
W i
to
fct>-
%it»
mDitcuteconcemrauoa
4.
W A
sphjEjcm
in Model
1
is more corxestrated—the notation inside die
ceU
or
QUtsidc
of the
{££? Espial} your answer in terms of the ratio of solute to solvent pmticles.
The sahition outside
of
the cell has a higher solute to solventrario, so it is more concentrated.
§. Consider the arrows indicating movement of warn? across the membrane.
a. In which dirpffipti are warer molecules mot
■ins
—
Mito
OF
out of the
The water molecules reeving both
jn
W
and out
of
the cell.
b . Are more waw
molecdesino\ing
imo Qr of the cell?
: e
b W
molecules
mopM
outeftte
cell.
p.. Is the net direction of water
w V P = W
into or out of the cell?
The net dSwchon of
water
moyetw
is suf
of
the cell.
Circle the correct word bgtawtti indicate dw change in epe pqueeu tion of the sugar solution
on each side of the memh ne
$$
water molep4 move-
*
The- solution inside the cell will
beccw
tfeOk
..
concerewd
with the get movement of
WflWh
b. The mluticm cuynide the ped will become (reWfi lr- concentrated with the net movement of
W
T
Trying
what you already know about the random mnw wwof molecuie wbaf will eventu-
ally happen to the concentration, on both sides of the
rnembrw?
Th? coyc iL-adQU eventually reach dynamic equilibrium; the
cwwxratinn
will the
w
,4F?d
9Wh
S5$ ttWF will
nrewescrosssb?
membrane equally in both dlrctibbtis■
S. The definition of ditfusiw* is the movement of moleculesacro&sa membrane
M i
an area of
high concentration! to an area of low concentration,. Anc
-cing.
to this definition, & (he ceil jn
\fodfei
1
uadergomg diffusion? Espliifl:
Answers will vary. Some students may uadfcraaiid
tiwom
thepeFspKtiveoftiw wafer moleculecon-
ce ugu
I
s
P&estiwWTjh d usun. Others unii say
to-
tom- d pe«p«iiveof the sugar
towflWfiWWB,
it is going the jqgpo&afcKtion.
9, In the cell diagram m Model
L,
wh rgi thphighgt concentration of water—ta epr outside qi
the €«U?
OMr
pwf*WT»S?W".’
T#W»F
f
W J-WS*
jh? &&■-
10, ]s the cell in Model
1
undergoing diffusion if you consider the conpgmRRil of water on either
side of the selectively permeable membruae? Eitplain.
TH, the net threctron of water
pno/ecule
movements the area ofWgh water
moieroufe
corvG&ntr.a-
twu to few wawf makefile coticemra-jow
spiran,
in
Model
1
|s more
conc.exrcared
—
the
soUtion
inside die cell or outside of Lie
your answer in terms ci the ratio of salute to solvenr particles.
The solution outside of the cell has a higher solute to sohentrado, so it
K
p w e concentrated.
§. Consider the arrows
indicating
movement of watet across the membrane.
a. fr* which
direction
are
w'eces
molecules mcc
win
—
arto Qf out of the
The water molec’rle re movingboth mm and out of the cell.
b
■ Are mote watCT into ar out of the cell?
water molecule moving out of the cell.
£• Is the net dU J W pi wafer
W - W
into or out of the cell?
Thej
t
direction of waler moy
s m
is awl of ine reU-
6. Circle the correct ward
bptawta
indicate dw ch gF i& the farrceti hon of the sugar saluWHi
fin eadj side of the memh np water matep move-
*■ The rcrilition wside the cell
will
become
G t o )
I. concentra
d with
die net movement <4
*
b. The solution
OP
side the
f
e
U
will
become
(mpffi
h
-
■
. concentrated with the net movement of
W
T
Appb-Wgwhat you alreadyknow about die random wplecUe what
will
eventu-
aliy happen to the concentration on both sides of the membrane?
Th?
will
eventually reach dvnamic equilibrium; the canceutzamm
wjji
be the s.am?
iwd?
M
WalPF
will
nnweHcroasthe
membrane equally ia both
dfwpjws.
8, The
deflnitwft
of
diffuse
is the movement of raulemiesacrossa an area of
high concentEacom to an area of low ccHicentiatwiu Accessing to this definition,
»
die ceif in
Xbodsa
i
uadec oiiig: dit tusmn?
Answers
will
vary;
Some students may understand that from theperspecnveofdie water molecukcon-
f&ftjflibm
ih?
JB
hfodrf
I » fiw?wfltwith
d
usidoe.
Others
will
say
to-teom
d
perspechve
of Uie
sugar
sojuliotj con
wwalmB,
rt
i.s
going the c
positatentm.
9, In the cell diagram in Mod&l L, wtiP£
diphigh
f
concentration of water
—
ma or outside of
the £f U?
4 ar
nwf'
■
w w+a*
10, Is the
ceilia
Model
1
undergoing diffusion if you consider the c0r»HW4FW of water on either
side of the selectively permeable membsann? Explain.
Tfefi,
the et
(ftnectFon
of water
mo/ecule
moveamentis
f>»m the area of Wgh
w a
ter
moJanul
e
powientr.a-
W i
to
fct>-
%it»
mDitcuteconcemrauoa
4.
W A
sphjEjcm
in Model
1
is more corxestrated—the notation inside die
ceU
or
QUtsidc
of the
{££? Espial} your answer in terms of the ratio of solute to solvent pmticles.
The sahition outside
of
the cell has a higher solute to solventrario, so it is more concentrated.
§. Consider the arrows indicating movement of warn? across the membrane.
a. In which dirpffipti are warer molecules mot
■ins
—
Mito
OF
out of the
The water molecules reeving both
jn
W
and out
of
the cell.
b . Are more waw
molecdesino\ing
imo Qr of the cell?
: e
b W
molecules
mopM
outeftte
cell.
p.. Is the net direction of water
w V P = W
into or out of the cell?
The net dSwchon of
water
moyetw
is suf
of
the cell.
Circle the correct word bgtawtti indicate dw change in epe pqueeu tion of the sugar solution
on each side of the memh ne
$$
water molep4 move-
*
The- solution inside the cell will
beccw
tfeOk
..
concerewd
with the get movement of
WflWh
b. The mluticm cuynide the ped will become (reWfi lr- concentrated with the net movement of
W
T
Trying
what you already know about the random mnw wwof molecuie wbaf will eventu-
ally happen to the concentration, on both sides of the
rnembrw?
Th? coyc iL-adQU eventually reach dynamic equilibrium; the
cwwxratinn
will the
w
,4F?d
9Wh
S5$ ttWF will
nrewescrosssb?
membrane equally in both dlrctibbtis■
S. The definition of ditfusiw* is the movement of moleculesacro&sa membrane
M i
an area of
high concentration! to an area of low concentration,. Anc
-cing.
to this definition, & (he ceil jn
\fodfei
1
uadergomg diffusion? Espliifl:
Answers will vary. Some students may uadfcraaiid
tiwom
thepeFspKtiveoftiw wafer moleculecon-
ce ugu
I
s
P&estiwWTjh d usun. Others unii say
to-
tom- d pe«p«iiveof the sugar
towflWfiWWB,
it is going the jqgpo&afcKtion.
9, In the cell diagram m Model
L,
wh rgi thphighgt concentration of water—ta epr outside qi
the €«U?
OMr
pwf*WT»S?W".’
T#W»F
f
W J-WS*
jh? &&■-
10, ]s the cell in Model
1
undergoing diffusion if you consider the conpgmRRil of water on either
side of the selectively permeable membruae? Eitplain.
TH, the net threctron of water
pno/ecule
movements the area ofWgh water
moieroufe
corvG&ntr.a-
twu to few wawf makefile coticemra-jow
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