membranes and transport
DESCRIPTION
Describes Membranes and Transport for the BC Biology 12 curriculum.TRANSCRIPT
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Membranes and Transport
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reactions
movement
http://www.google.ca/imgres?q=membrane+transport&hl=en&sa=X&rls=com.microsoft:en-us:IE-SearchBox&tbm=isch&prmd=imvnsb&tbnid=OONcuo_AyV0jxM:&imgrefurl=http://en.wikibooks.org/wiki/Human_Physiology/Cell_physiology&docid=JG7EjMv1kau7vM&w=702&h=371&ei=VOmETouyOfPYiAK9-sXQDA&zoom=1&iact=hc&vpx=189&vpy=151&dur=78&hovh=163&hovw=309&tx=173&ty=95&page=5&tbnh=72&tbnw=136&start=32&ndsp=8&ved=1t:429,r:5,s:32&biw=792&bih=454
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polar
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GLYCOPROTEIN
GLYCOLIPID
Cliff’s AP Biology
http://www.youtube.com/watch?v=ULR79TiUj80
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Membrane Features
all
some
living cell membrane
http://www.google.ca/imgres?q=selectively+permeable&hl=en&sa=X&rls=com.microsoft:en-us:IE-SearchBox&tbm=isch&prmd=imvns&tbnid=5N2zjwO4LQV47M:&imgrefurl=http://www.columbia.edu/cu/psychology/courses/1010/mangels/neuro/neurosignaling/neurosignaling.html&docid=F0l6mMXF7d9EyM&w=150&h=150&ei=m_OETs-7EIjQiALr-Oi5DA&zoom=1&iact=hc&vpx=263&vpy=196&dur=2687&hovh=120&hovw=120&tx=64&ty=93&page=1&tbnh=102&tbnw=114&start=0&ndsp=8&ved=1t:429,r:1,s:0&biw=792&bih=454
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Water, carbon dioxide
oxygen glucose
Na+ (sodium), H+ (hydrogen)
http://www.google.ca/imgres?q=selective+permeability&hl=en&sa=X&rls=com.microsoft:en-us:IE-SearchBox&tbm=isch&prmd=imvns&tbnid=6ioQOUcU9j5KOM:&imgrefurl=http://environmentsofcells.wikispaces.com/&docid=FcVwGWQ9v5y_fM&w=500&h=379&ei=KPSETvCnDaXZiAKcneGoDA&zoom=1&iact=hc&vpx=210&vpy=77&dur=11188&hovh=195&hovw=258&tx=129&ty=113&page=1&tbnh=114&tbnw=150&start=0&ndsp=7&ved=1t:429,r:1,s:0&biw=792&bih=454
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http://www.google.ca/imgres?q=membrane+proteins&hl=en&sa=X&rls=com.microsoft:en-us:IE-SearchBox&tbm=isch&prmd=imvnsb&tbnid=1Jd0kFsS0G4qeM:&imgrefurl=http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/C/CellMembranes.html&docid=L1N4lp3KVtCd3M&w=450&h=300&ei=MPCETpuaJ-bbiALGlqXHDA&zoom=1&biw=792&bih=454&iact=rc&dur=187&page=1&tbnh=87&tbnw=130&start=0&ndsp=8&ved=1t:429,r:7,s:0&tx=81&ty=20
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Hydrophilic
hydrophilic
hydrophobic
amphipathic
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polar
charged
ATP
NO ATP required. Movement is from HIGH concentration to LOW concentration.
ATP required. Movement is from LOW concentration to HIGH concentration.
http://www.youtube.com/watch?v=GFCcnxgXOhY
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identity
Attach anchors
binding sites
receptor relay
enzyme
3 Types of Glycoproteins:
responses
http://www.google.ca/imgres?q=pygmy&hl=en&sa=X&rls=com.microsoft:en-us:IE-SearchBox&tbm=isch&prmd=imvns&tbnid=JDLG4Crcfay0oM:&imgrefurl=http://night-caffe.com/people/36-people/53-african-tribes-pygmies-people&docid=HqophVn7JzxI6M&w=450&h=295&ei=8v2ETryZJMHhiAKe25ivDA&zoom=1&biw=792&bih=450&iact=rc&dur=281&page=1&tbnh=77&tbnw=117&start=0&ndsp=10&ved=1t:429,r:7,s:0&tx=47&ty=49
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3 Types of Transmembrane Proteins Active
team
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http://www.google.ca/imgres?q=intercellular+junction&hl=en&sa=X&rls=com.microsoft:en-us:IE-SearchBox&tbm=isch&prmd=imvns&tbnid=YyI3Tl_1CxABiM:&imgrefurl=http://medical-dictionary.thefreedictionary.com/Intercellular%2Bjunctions&docid=UbA7FeesA06PRM&w=250&h=195&ei=YQGFTrCDOsnXiAKQxcypDA&zoom=1&iact=hc&vpx=96&vpy=158&dur=609&hovh=156&hovw=200&tx=121&ty=117&page=1&tbnh=117&tbnw=151&start=0&ndsp=15&ved=1t:429,r:0,s:0&biw=1024&bih=596
hooked
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http://www.google.ca/imgres?q=electron+transfer+proteins&hl=en&sa=X&rls=com.microsoft:en-us:IE-SearchBox&tbm=isch&prmd=imvns&tbnid=G1jVVHg-i3w8TM:&imgrefurl=http://course1.winona.edu/sberg/241f08/Lec-note/Photosyn.htm&docid=VOdxWzEYKXc80M&w=697&h=419&ei=twGFTu3VK6XTiALx8ZjHDA&zoom=1&iact=hc&vpx=687&vpy=255&dur=31&hovh=174&hovw=290&tx=179&ty=101&page=7&tbnh=91&tbnw=151&start=105&ndsp=18&ved=1t:429,r:17,s:105&biw=1024&bih=596
electrons
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rigidity
restrains
prevents
http://www.google.ca/imgres?q=cholesterol+in+animal+cells&hl=en&sa=X&rls=com.microsoft:en-us:IE-SearchBox&tbm=isch&prmd=imvnsfd&tbnid=fDStXLMqy_WotM:&imgrefurl=http://www.wannabebig.com/forums/showthread.php%3F143766-Paleo-in-modern-times-and-bodybuilding/page3&docid=EALeprhvtxfA3M&w=800&h=329&ei=MASFTqC4KKTXiALZ1dy5DA&zoom=1&biw=1024&bih=596&iact=rc&dur=78&page=2&tbnh=61&tbnw=148&start=15&ndsp=19&ved=1t:429,r:18,s:15&tx=38&ty=31
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Carbohydrate
oligosaccarides
markers
glycolipids
Ex. Stem cells
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Transport Mechanisms
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inside outside
Random
away
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http://www.google.ca/imgres?q=concentration+gradient%5C&hl=en&sa=X&rls=com.microsoft:en-ca:IE-SearchBox&rlz=1I7TSCA&tbm=isch&prmd=imvnsfd&tbnid=tdH6C8opV6vTWM:&imgrefurl=http://kentsimmons.uwinnipeg.ca/cm1504/membranefunction.htm&docid=kn6GxWvR60SVLM&w=741&h=600&ei=LP6ITvbINuXiiAKs9KGlDA&zoom=1&iact=hc&vpx=613&vpy=190&dur=4024&hovh=202&hovw=250&tx=111&ty=64&page=1&tbnh=156&tbnw=193&start=0&ndsp=10&ved=1t:429,r:2,s:0&biw=1280&bih=555
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DOWN UP (AGAINST)
NO added energy Energy (ATP)
Diffusion Osmosis Phagocytosis Active Transport
Facilitated Diffusion
Pinocytosis
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Diffusion
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http://www.google.ca/imgres?q=solute+solvent+solution&hl=en&sa=X&rls=com.microsoft:en-ca:IE-SearchBox&rlz=1I7TSCA&biw=1280&bih=555&tbm=isch&prmd=imvnsfd&tbnid=ki5mLhGb7aQJPM:&imgrefurl=http://water.me.vccs.edu/courses/env211/lesson8_3.htm&docid=TOb2gi68vEUpnM&w=146&h=170&ei=eBuJTpaFOujciALe4IS6DA&zoom=1&iact=hc&vpx=899&vpy=299&dur=3292&hovh=136&hovw=116&tx=87&ty=107&page=2&tbnh=136&tbnw=116&start=18&ndsp=10&ved=1t:429,r:3,s:18
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4-23
Process of diffusion
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energy
down
increases
increases
faster
selectively
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water
Of water
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http://www.google.ca/imgres?q=hypertonic+hypotonic+isotonic&hl=en&rls=com.microsoft:en-ca:IE-SearchBox&rlz=1I7TSCA&biw=1280&bih=555&tbm=isch&tbnid=iCysaWNCBENCRM:&imgrefurl=http://www.mun.ca/biology/Osmosis_Diffusion/tutor2.html&docid=JwVTZInEsqpODM&w=418&h=169&ei=2B2JTrLXE4zbiALm3dSgDA&zoom=1&iact=hc&vpx=903&vpy=145&dur=2355&hovh=135&hovw=334&tx=215&ty=67&page=10&tbnh=85&tbnw=211&start=106&ndsp=12&ved=1t:429,r:11,s:106
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A is HYPOTONIC to B B is HYPERTONIC to A
C is ISOTONIC to D D is ISOTONIC to C
Net movement of water is from A to B.
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http://www.biologycorner.com/bio1/diffusion.html#
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Semi-permeable membrane
Add protein to side B
A B A B A B
Equilibrium: osmotic pressure = hydrostatic pressure.
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http://www.youtube.com/watch?v=vk5NFSvp8lY
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Facilitated Diffusion
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carrier
polar
hundreds
energy
High to low concentration (down a concentration gradient.)
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binding
releasing
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hydrophilic specific
http://www.google.ca/imgres?q=neurotrANSMITTER+BINDING+TO+SODIUM+GATES&hl=en&sa=X&rls=com.microsoft:en-ca:IE-SearchBox&rlz=1I7TSCA&tbm=isch&prmd=imvns&tbnid=r1r0janwHpXtsM:&imgrefurl=http://www.accessemergencymedicine.com/topicCard.aspx%3Ftopic%3Dsodium%2Bchannel%2Bactivity%252C%2Bvoltage-gated%26rootID%3D51580%26searchSource%3Dall&docid=NqkLKLOzEYCesM&w=180&h=150&ei=_ymJTqOdCYbXiALyt524DA&zoom=1&iact=hc&vpx=507&vpy=201&dur=889&hovh=120&hovw=144&tx=107&ty=52&page=3&tbnh=120&tbnw=144&start=35&ndsp=12&ved=1t:429,r:8,s:35&biw=1280&bih=555
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Active Transport
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ENERGY
Carrier (transport)
against
steep
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inside
conformations
Phosphorylation
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positive
potential
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1. H+ pumped out 2. H+ diffuses in with sucrose. Sucrose can only enter with
H+.
http://www.google.ca/imgres?q=sucrose+symport&hl=en&rls=com.microsoft:en-ca:IE-SearchBox&rlz=1I7TSCA&biw=1280&bih=555&tbm=isch&tbnid=Wiz_AyKUWTXfjM:&imgrefurl=http://www.uic.edu/classes/bios/bios100/lecturesf04am/lect19.htm&docid=CFN3b259gj6SfM&w=800&h=600&ei=fjOJTuKJMMjYiALLjM2gDA&zoom=1&iact=hc&vpx=371&vpy=132&dur=4212&hovh=194&hovw=259&tx=127&ty=117&page=1&tbnh=103&tbnw=141&start=0&ndsp=25&ved=1t:429,r:2,s:0
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4-43
Exocytosis
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4-44
Phagocytosis
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Phagocytosis
Pseudopods
lysososome
lysosome
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4-46
Pinocytosis
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Pinocytosis
Non-discriminating
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4-48
Receptor-mediated endocytosis
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http://www.google.ca/imgres?q=receptor+mediated+endocytosis&hl=en&sa=X&rls=com.microsoft:en-ca:IE-SearchBox&rlz=1I7TSCA&biw=1280&bih=555&tbm=isch&prmd=imvns&tbnid=aPXY-AkbavvS7M:&imgrefurl=http://www.thefullwiki.org/Receptor-mediated_endocytosis&docid=YsD-5KBkcHtNOM&w=300&h=224&ei=WBqJTu63MuPWiALGr8m7DA&zoom=1&iact=hc&vpx=848&vpy=256&dur=3073&hovh=179&hovw=240&tx=127&ty=138&page=2&tbnh=150&tbnw=201&start=11&ndsp=11&ved=1t:429,r:3,s:11
Receptor-mediated discriminating
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bulk
receptor proteins
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Read and make notes on Chapter 4. Read critically and take selective notes.