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1.3 membrane structure

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1 3
Membrane Stricture
How aresoapfilmssimilartocellmembranes
Cellmembrane plasmamembrane
rinses haveplasmamembrane
covidadaptedtocellmembrane
ÉÉÉÉÉÉÉma
88
membranal
whensoapcomesin contactof cell
itdissolves
thatitsnatchedfrom
hostcell
f ifwedissolve
that wecan
bubble in bubble doublemembrane
phospholipid bilayer
phosphatehead
dissolvethebilayer
9
lipid fattytails
onsalt
soapbubble
cellmembrane
based
I
toorganelle
phospholipidbilayer
basedphonsphate
Both
Molecule
Saltoffattyacid
Feline
Nophosphate
I
phospholipid
phosphategroup
group
amphipathic
onetail
Hyanphollichead
pymphobictail
tailfacing out
a
tailfacing in
headfacingout
Golgimakesphospholipid bilayer on vesicles that transport it to the
membrane as like dissolves like it justmergeswith it
whitebloodcells pattenenters engulfsbacterialcell as some
material
1
phagocytosis
bubblein bubble
fluids coming in
gooutside
bubblein bubble
bubblelettingout ofanotherbubble
Alcohol daythings wateris Notmadeof
protein name
of
tunnelsmade protein
anything gomade
eukaryotecells
evenif they'repolar
gig
fat
instead
they are POLAR
bubblein bubble
couldbe G A vesicle nucleus
gym
you
Binary fission Dividingcellstogether
cellfusion cellsfusingtogether
Whatisthefunction of
plasmamembrane
Amphipathic
d
exporting
littlebitpolarandlittlebit non polar
enzymeshormones
prokaryote eukaryotes
membrane
plasma
polar hydrophilic
all have
n
to lotsof
mummy
fatal protein
soapmolecules dissolvethecell membraneofviruses
fluid mosaicmodel
Q
enamels
go turnfets
helping
mm
an
a
inwards as it is
hydrophobic
pawn
my
glycoproteins
y
organicmolecule
e gcholine
glycerolt
acids
z fatty
fatty tails
hydrophobic non polar
oil is not polar hydrophobic
notattracted toiiiwater
hydrophilic attractedto water
hydrophobic
yyn
charges
tails hydrogent carbons
hydrocarbon
Clt fatty
chargedparticles polar
Ho polarchargedhydrophi
nptrip fends
perp pop
OHcharges attract water CH
amphipathic
saturated
polarhad
tails
non polar
0
monounsaturated
polyunsaturated
dotted
I erased the
A bent leg straightlegdffentfats
T
fluid
Ifatty A
phospholipid
Doesntwant fattytail totouchwater
to e
Micellarwater dropletsoffats thatcleanskin by
g
Micelle
Micelle
oil makeupon
assoc
ating
tailstofatty
fatty
fat blob
Cotton
face
oliveoil twater
cottonis polar
phosphathead is hydrophilic
fatty tail is exposedand attract stickon thefatty
makeup
phospholipids are
fluid
frons bilayerduetoamphipathic property of
phospholipidmolecules
phospholipid bilayers dontwovevertically
22 02
Why is
phospholipidsaresynthesised
by thesmoothE R and
transported asvesicles to
needflexibilitytoengulfwhitebloodall
fluidityallowsbreaking of membrane
Golgiis just a
whole bunch of
I
lipids
an
by evolutioncertain
thing
adaptation
feverkillsoffbacteria
exocytosis endocytosis
solublemoleculsto pastthrough
Allowslipid
thecellmembrane
mannnn
fluidity important
membrain
23
y
it
phospholipidshaveto bevery
is
i
1
i
fluid and flexible to allow substances
tomovethrough and ableto
Membranefluidity viscosity
viscosity
bereft
ofthe lipidbilayer
vgym
BEEF
lowviscosity fluid high viscosity thick
cholesterol regulates
it
bakes the
extremely
anemiannan
away
puny
summer lower viscosity cholesterol sticks tailsclosertogether
steroids
honey comb
lipid fat
looking molecule
cholesterol
1
amphipathic
op
mostly hydrophobic
I straylice money
majority hydrophobic
Anyhydrolliphic
indirectly
helps w exhery
ofsubstances in
cellmembrane
red
omega 3
j hygygbkta.ly fats
key tons
O
movelessviscous
cholesterol
fluidity
polyunsaturated
polyunsaturated
4bent
morespacious
morethi'd
fat
phosphate lipid
cold
rigid maybreak
notflexible
hydrophobia hiphic
cholesterol breaksthemapart
hot
989
9 9
toofluid
won'tholdshape
cholesterolstinksthem
together
brings it
tocenter
em
Where do healthy fats
thats whyfish
can'tbetransported
easewhere
come
from
morefluid in polyunsaturatedfatso noneed cholesterol
Omega 3
fats
Their phospholipid legs are polyunsaturated doublebonded kinky
leg bends at theomegalocationin thecellmembrane
cholesterol can't doenough to maintainfluidityinsuperviscoscious membrane
so bendylegshelpsmakeit more fluidpermanently
unsaturated
bendy asdon'tneed cholesterol as fat omega 3 is
thefat
T
straight need
Do Plants contain cholesterol
morecholesterol
bad
They don't Theymaintainfluidity throughunsaturated double bonded
bendy tail fats no cholesterol healthy fat evenif theytookthefats
whydoanimals in coldweatherhavemore polyunsaturatedfats
to maintain morefluidity
cholesterol honeycomb
unsaturated saturated fattychains acids short
Actual protein diagrams
proteinchannels proteins tohelp ions andorganic molecules passthe
can be
activetipassive
Q
inter
goalproteins
helpstransportthingsint
membranes
Proteins
the membrane
in
Permanently embedded in membrane
Integralproteins transmembrane
fluid nosiacmodel
describes proteins
Ii gig
hydrophobicmiddle
a embedded
membrane
hydrophilic end
membrane
forhydrophilicproteinsto conthe p
magna poems among
to penetratesjust onesurface
helpsglucose hydrophilic
thranahthemembrane
Poreof Chanel protein hydrophilic
y
go
via vesicles
transported
tmschyanphing'imsthanantunag
Ea
hehelps mergeothercells togetherthengetsswallowed
recognition
IIY.fi
im.no
Glycoproteins
oligosaccharidecham
oligo few
saccharidesugar
cellwhen
ontoother
moves
dyedisintegrates
cen
atntigens
cenflag selfcellor
forcellrecognitionbyimmunesystemandhormonereceptors
ofmembrainproteins
functions
iii
type B glycoproteins
by all
accepted
AB
1888
O
carbohydratechain hydrophilic
thischain is
muand it leaves itthere
Stuckin skin
p
up
Junction
connecting cellstest Cperipheral proteins
Enzyme
repairingmembranes e g niti in smallintestines
ineffigy
diffusion an active
transport Cosmosis
give
markersforcellularidentification glycoprotein
Recognition
Anchorage
Attachingto
Transduction
receptors
acceptseverything
attune extracellularmatrixEating
forpeptidehormones
sendestrogentellproteindoes
job
peptide shortchains ofamino a
Lipid steroid
cholesterol
gotherefor
them
hormones
Dawson Daniell Model
supersede takenplace
take over
soakingup
infectious
bacteria
draw
ans
fluidmosaicmodel
Singer Nicolson Model
Singer Nicolson Model
Endocytosis engulfing vesiclesofothercells
exampledrawing
t gg5
Q.no
nm
diagram t
junctiongram
intercellular
between
space
us
a.me
manana
an
hydrophobic nonpolarfattytent
8888
Daimon
j.iiE
I intergraltransmembrane
protein
of
If
limitations
of DavidDaniell model
1 Rigid division permeability
2 hydrophobic proteins wouldn'thangout with phosphateheads
7 could notaccount
hydrophobia proteinsplace
for
Falsifying evidence
1 fluorescentLabelling proteinsare fluidandflexible
dyedmousecellgreenhumanredandfusedtheallsto
gether
2 freezefracturing
bumpypores proteinswereinsidemembranes
Fbiigtefdn.gg
proteinsextractedcamefrom
diffsizesandwouldnotbethetypetoform
continuousstructurallayers
Immigration tail
anti
alcoholic build up membraneresistance
inmembrane
membranesare nonpolarhydrophobic fatty
as organicsubstances
suchasbenzine ether aromatic hydrocarbons al halogenated hydrocarbons
couldpassthrough
phospholipid bilayer
Knave
v
tails faceinward
glucose
can betransported passiveor actively
small passive transport simple diffusion oxygen nitrogenpotassium
big
passive transport faciliated
glucose collagen
small achetransport proteinpumps glucose
big acte
transport endocytosis
pay pay
amphoteric
amphipathic
proteinchannelscam
aminoacid
nucleotides
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