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Passive Transport

  • Written by Gatwick Airport Transfers | 25 Comments25 Comments Comments
    Last Updated: January 13th, 2010

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25 Comments

  1. #1
    summersgrey
    January 13th, 2010 at 12:13 pm

    Yes, from what I’ve learned, facilitated diffusion is under passive transport, cuz it doesn’t require energy, only it is facilitated by carrier protein down the concentration gradient

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  2. #2
    MrWonderful5
    January 13th, 2010 at 12:39 pm

    Nonono it’s still used of course.. But the other passive proteins for channel ones are used mainly for bigger molecules..

    Ones that can’t really fit through the tiny spaces of the phospholipids bilayer. It’s still passive though, just matters on the size.

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  3. #3
    chaders89
    January 13th, 2010 at 12:55 pm

    ty this help me in science

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  4. #4
    rangeyo
    January 13th, 2010 at 1:04 pm

    k thanks :)

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  5. #5
    AUdave11
    January 13th, 2010 at 2:03 pm

    not from what ive learned. It’s a bit confusing how all youtube videos show passive, active and facilitated as THE THREE WAYS. There are more like 5: 1.)passive diffusion 2.) channels and pores 3.) facilitated diffusion 4.) active primary and 5.)active secondary. Passive diffusion is the only one that does NOT require a protein carrier. only the active transports move UP a gradient, and primary is based on energy used (light, ATP, ect.) and secondary is ion gradient based. hope this helps!!

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  6. #6
    rangeyo
    January 13th, 2010 at 2:54 pm

    so basically passive transport only requires the channel proteins, and the phospholipid bilayer is not used?

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  7. #7
    SjaQ1986
    January 13th, 2010 at 3:32 pm

    solute: aufgelöste Stoffe

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  8. #8
    adamengine81
    January 13th, 2010 at 4:25 pm

    more concentration moving to less concentration

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  9. #9
    hebatakaku
    January 13th, 2010 at 4:37 pm

    osmosis.
    the best passive transport to me..

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  10. #10
    mitchcookskate
    January 13th, 2010 at 4:41 pm

    solute.. basically its like concentraition. because its passive, eg diffusion, so the solutes diffuse through teh cell membrane from aprts where there is high concentration to parts where it is low. this is a passive process because it is movign down the concentration gradient.Solutes are jus like salt molecules ay i think, hope it helps

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  11. #11
    Ludmichka
    January 13th, 2010 at 5:04 pm

    …more solute

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  12. #12
    SpellMePlz
    January 13th, 2010 at 5:42 pm

    A solute is a substance (usually in lesser] amount) dissolved in another substance

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  13. #13
    urockit2011
    January 13th, 2010 at 6:20 pm

    yeah that’s what i thought

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  14. #14
    DrewPacker1
    January 13th, 2010 at 6:40 pm

    This is essentially simple diffusion.

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  15. #15
    maylinreese
    January 13th, 2010 at 7:02 pm

    passive transport.
    -simple diffusion.
    -facilitated diffusion.
    -osmosis.

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  16. #16
    edik1990xx
    January 13th, 2010 at 7:38 pm

    im from germany can sb tell me whats the word at 0:17 and its meaning?

    naturally diffuse from the side with more …..
    to the side with less…… ..?

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  17. #17
    ksaGRL
    January 13th, 2010 at 7:51 pm

    thank u sooo much
    it’s easier to understand it from this video

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  18. #18
    drsakhr
    January 13th, 2010 at 8:29 pm

    Passaive transport is triggered by concentration gradient and could be :
    - Simple diffusion .
    - Facilitated diffusion by channel proteins and carrier proteins .

    Thanks

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  19. #19
    Kitsunetaisen
    January 13th, 2010 at 8:34 pm

    jajajajajajajajajajajajajajajaja

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  20. #20
    sapita1
    January 13th, 2010 at 9:09 pm

    love this video

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  21. #21
    riv864
    January 13th, 2010 at 10:00 pm

    where can i get the full version of these videos ? or does anyone know the name of the video?

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  22. #22
    casanovadragos
    January 13th, 2010 at 10:43 pm

    wow…great video..I’m in ninth grade and I love these things…

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  23. #23
    obertoelson
    January 13th, 2010 at 10:53 pm

    best video i have ever seen
    its the best video i have ever seen
    i love biology

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  24. #24
    joseluis8585
    January 13th, 2010 at 10:59 pm

    thank u very much it helped me alot

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  25. #25
    marie4858
    January 13th, 2010 at 11:18 pm

    it has helped me out greatly

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