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Official AQA Biology Unit 3 14th May 2013 NEW SPEC

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Reply 820
Avatar for rbh
rbh
What did people say about the leafs mass dropping sharply for 30 mins, then less sharply for 30-180 mins? :smile:


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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? :smile:


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Guard cells closed the stomata so that the plant didn't wilt. Wasn't entirely sure though.
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.
Original post by veniceswan
how do you calculate it?


360 - ums
Reply 824
Avatar for tohaaaa
tohaaaa
16
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.
Original post by rbh
What did people say about the leafs mass dropping sharply for 30 mins, then less sharply for 30-180 mins? :smile:


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I said how the concentration gradient became shallower.
Reply 827
Avatar for tohaaaa
tohaaaa
16
Original post by sarcasmrules
I said how the concentration gradient became shallower.


I mentioned concentration gradient to :/


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Reply 828
Avatar for BI0
BI0
7
Was I the only one that panicked about not finishing it? I had like two pages left with 10 minutes to go!
how did every1 find it?
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!
Reply 831
Avatar for BI0
BI0
7
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 >_<
Original post by sarcasmrules
I said how the concentration gradient became shallower.


But why would it change so dramatically so quickly?
Reply 833
Avatar for Jennym5
Jennym5
What did everyone put for the labelling of the 3 blood vessels?
Reply 834
Avatar for tohaaaa
tohaaaa
16
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...
Original post by Jennym5
What did everyone put for the labelling of the 3 blood vessels?


Artery, cappilary, vein ?
What was the first question?
Original post by NightStrider
Artery, cappilary, vein ?

yeah i put the same
Original post by veniceswan
What was the first question?

had to label the heart diagram!

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