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Official AQA Biology Unit 3 14th May 2013 NEW SPEC Watch

  • View Poll Results: VOTE HERE--> What do you think the 6 marker will be?
    Explaining features/functions of the lungs
    8.15%
    Ventilation
    11.11%
    Blood flow in heart
    16.30%
    Explain Transport in blood
    5.19%
    Explain Transport in plants
    5.19%
    Evaluate kidney transplants/dialysis
    28.89%
    Explain biogas generator
    31.11%
    Other (please comment with your suggestion)
    12.59%
    The effects of global warming
    8.15%
    Evaluate the use of Artificial blood
    13.33%
    Evaluate the effectiveness of sports drinks
    11.11%

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    What did people say about the leafs mass dropping sharply for 30 mins, then less sharply for 30-180 mins?


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    (Original post by rbh)
    What did people say about the leafs mass dropping sharply for 30 mins, then less sharply for 30-180 mins?


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    Guard cells closed the stomata so that the plant didn't wilt. Wasn't entirely sure though.
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    how do you calculate it?
    (Original post by NightStrider)
    I was thrown by a few questions, I know I've lost one mark but aside from that, and considering I need a b for an A*, it went ok.
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    (Original post by veniceswan)
    how do you calculate it?
    360 - ums
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    For the tadpole I wrote the surface grew which increased surface area. And that it moved out of the tadpole so it's more exposed to the water. Is that ok??


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    I wrote about something like that too.
    (Original post by NightStrider)
    Guard cells closed the stomata so that the plant didn't wilt. Wasn't entirely sure though.
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    (Original post by rbh)
    What did people say about the leafs mass dropping sharply for 30 mins, then less sharply for 30-180 mins?


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    I said how the concentration gradient became shallower.
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    (Original post by sarcasmrules)
    I said how the concentration gradient became shallower.
    I mentioned concentration gradient to :/


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    Was I the only one that panicked about not finishing it? I had like two pages left with 10 minutes to go!
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    how did every1 find it?
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    (Original post by BI0)
    Was I the only one that panicked about not finishing it? I had like two pages left with 10 minutes to go!
    did u finish?
    also found that i was rushed for time!
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    (Original post by cookiesncream123)
    did u finish?
    also found that i was rushed for time!
    Yes I finished.
    Our invigilator didn't give us time to write our names on the front, so I had to waste the first 10-ish seconds doing that >_<
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    (Original post by sarcasmrules)
    I said how the concentration gradient became shallower.
    But why would it change so dramatically so quickly?
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    What did everyone put for the labelling of the 3 blood vessels?
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    (Original post by NightStrider)
    But why would it change so dramatically so quickly?
    I put it has lost water already. So that's why.


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    (Original post by tohaaaa)
    I put it has lost water already. So that's why.


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    I don't really understand that tbh...
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    (Original post by Jennym5)
    What did everyone put for the labelling of the 3 blood vessels?
    Artery, cappilary, vein ?
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    What was the first question?
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    (Original post by NightStrider)
    Artery, cappilary, vein ?
    yeah i put the same
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    (Original post by veniceswan)
    What was the first question?
    had to label the heart diagram!
 
 
 
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