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Cell Membrane IB Biology Year 1

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This document consists of information about the cell membrane for IB Biology year 1, including the cell membrane models, membrane proteins, protein pumps, membrane transport, origins of cells, endosymbiotic theory, mitosis, and evidence of endosymbiotic theory, and more.

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Institution
Junior / 11th Grade
Course
IB Biology








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Written for

Institution
Junior / 11th grade
Course
IB Biology
School year
3

Document information

Uploaded on
February 23, 2025
Number of pages
2
Written in
2023/2024
Type
Class notes
Professor(s)
Jeida pinto
Contains
All classes

Subjects

Content preview

Glee membrane
ellMembraneModels RolesofMembraneProtein
vertonmembranesaremadeoflipids receptorproteins enactionlinsulinreceptor
protein

oflipidbilayermadeofphospholipids
orteranderendermembranemade
wi proteins
Enzyme carp
promotechemicalreactions synthase

hydrophilichead hydrophobictails a nchorscell
Adhesionproteins membrane toinnercytoskeleton proteinsoutsidecenw
arsonsDanielli membraneincludesglobular
proteinmoleculesattached to identification
recognitionproteins imacproteins
tags
aansideoflipidbilayer channelproteinsporesitunneistorlargehydrophilic to moveinout
molecules passively


ingersNicolsonmembraneisafluidbilayeroflipidsw embeddedproteins channel
glucose protein

pumpproteinporesitonneistorlargehydrophilic tobeactivelytransported
molecules

sodiumpotassium
pump
Phospholipid


offo HydrophilicHead



gag
Semipermeable Hydrophobic tail Cytonauinh
Getsthrough
gasesconcon largepolariglucose I4 Msaturated

Munsaturated
conlyontest




smallpolarthoethanol acids
chargedamino

largenonpolar
videnceAgainstDawson'Danielli Membranetransport
Freezeetchedfracture rapid
electronmicrograms ofcellsfracturingthemalong
freezing need
simplediffusionpassivedoesn't proteinorenergylaiffusionofcarorinaire

Facilitateddiffusionpassive.noenergymolecules cha
protein
needs
tromnightolow

ivorescentantibodytaggingfluorescent to
attached membraneproteins
markermoleculeswere calcium
channels
proteinsaremobile
abelcellmembrane osmosispassivemovement ofwaterlowhighisotonicsameamountofwaterinto
hypotonic waterin
more
carbohydrate
ghilic y hypertonicmorewateronto
randan Aki Mfg
yygpgggp.cn active needsater
t ransport proteinpumpsodiumpotassiumpump
ProteinPumps


000 2energyfromAtpchangesshapeofprotein
IIIYt 3moleculepassestooppositesideofmembrane
pg practiceQuestions
1compare contrastsimplediffusionfacilitateddiffusion
peripheral aiders


MembraneProteins 2ExplainstechniquesthatdisproveDawsonDanielamodel
entiremembranepermanentlyattached
proteinsspan
integral tocell
www.m.mn 3Liststypesofproteins

4whattypeoftransportationoccursacrossmembranewhichreavireate
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