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AQA (A) Biology Module 6 - Physiology and the Environment after exam discussion watch

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    (Original post by MonkeyOnIce)
    Ooh, that was a nasty paper. How nice are examiners when in comes to spelling...because i couldn't remeber the exact name of where the cardiovascular centre, so put mendella (as it sounded similar) instead of medulla.
    mendella!!
    you made my day~!! lol (sorry, not to offend you but it's so funny!!)
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    Yes well i put hypothalamus.... my module one skills are NOT very good lol. I got one mark on that question
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    (Original post by Redeyejedi)
    Even though i put both channels as "OPEN" im inclined to believe im probably wrong..though i dont deny your book is correct the referance to 'few' may also imply negligable or inconsequential as a result they can be considered to be closed....i guess it depends on the examiners and mark scheme, they may give us the benefit of the doubt that we knpw what were talking about. Or not??
    If the phrasing of the question was 'Are the majority of channels open/closed' then you'd be wrong; if it was 'Are the channels open/closed' there is ambiguity and you could be right.
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    'Are the channels open/closed' there is ambiguity and you could be right.
    I hope so but we are debating over 1 mark, which has taken over the majority of this thread which is a bit extreme dont you think??
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    ^^ i know we could have been talkin bout the harder questions - absorb different answers and opinions and broaden our horizons

    but o well.
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    As Jon Tickle would say,

    Controveeeersial
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    The clyomicron answer was facillitated diffusion. This was NOT a vesicle as a vesicle has a phospholipid bilayer NOT protein as in the question. The protein membrane is not lipid soluble and needs a carrier protein.
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    (Original post by vinny221)
    The clyomicron answer was facillitated diffusion. This was NOT a vesicle as a vesicle has a phospholipid bilayer NOT protein as in the question. The protein membrane is not lipid soluble and needs a carrier protein.

    ...or not.

    http://en.wikipedia.org/wiki/Chylomicron

    "The chylomicrons are released by exocytosis from enterocytes into lacteals"
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    ****.
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    yup they are its in my book unfortunatly seein as i put diffusion
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    http://fig.cox.miami.edu/~lfarmer/BIL265/digest2.html

    Check out the 5th diagram. The space is called interstitial fluid. I put Gap/ tissue fluid in my exam. I'll proabaly get marked wrong for putting gap lol.

    Also for the C4 question, my bio teacher at AS taught us about it. Basically the C4 route uses ATP for photosynthesis, but the process has a higher affinity for CO2. Since it is normally CO2 levels which limits rate of photosynthesis this will move the limit higher. It's mainly for plants found in the tropics. Exactly how this helps with the question, which i can't remeber clearly what it was, I don't really know.
 
 
 
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