Hey guys, im not sure if these were posted before, but in case they weren't here are some really useful Biol Unit 5 notes :
https://7def787516e26c878dc93b38d6ce...%20A-Level.pdf
hope they help![]()
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AQA A2 Biology BIOL5 - 17th June 2015 watch
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- 11-06-2015 12:15
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prophetkid
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- 11-06-2015 12:17
(Original post by rashed_k)
how long do you think the essay should be? -
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- 11-06-2015 12:18
Has anyone got the link to pre written essays for all the essays that have previously comee up as I don't think I'll have enough revision time to do the essays but I would like a but of a plan
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prophetkid
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- 11-06-2015 12:20
(Original post by Hudl)
Has anyone got the link to pre written essays for all the essays that have previously comee up as I don't think I'll have enough revision time to do the essays but I would like a but of a plan
The essays are:
Causes of Disease in Humans
Uses of DNA Technology
Importance of Shapes Fitting Together
CO2 may affect organisms directly and indirectly -
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- 11-06-2015 12:25
(Original post by prophetkid)
I have four essays which have been marked at A/A* grade if they are any use?
The essays are:
Causes of Disease in Humans
Uses of DNA Technology
Importance of Shapes Fitting Together
CO2 may affect organisms directly and indirectly
but surely someone would have done all the essays to an A* level and posted them online, surely -
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- 11-06-2015 12:26
If I post my essay in about half hour would anyone be willing to mark it? I'm not aiming for full marks so don't expect much, I'd just like an idea of how I'm doing ☺️
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prophetkid
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- 11-06-2015 12:27
(Original post by Hudl)
Yes please upload them on here thanks or send them via pm
but surely someone would have done all the essays to an A* level and posted them online, surely -
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- 11-06-2015 13:01
I'd really appreciate it if someone could glance through my essay and let me know how I'm doing. As said before I'm not aiming for full marks so don't expect a spectacular essay. Ps sorry if you can't read it my writing gets very messy when I rush Attachment 425455
Attachment 425457
Thank you
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- 11-06-2015 14:07
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- 11-06-2015 14:07
(Original post by prophetkid)
Mine are about 600-700 words, which is about 2 A4 lined pages; which equates to about 4 pages in the exam paper. It does depend on how large your writing is though. -
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- 11-06-2015 14:45
Do essays have to include diagrams and info/examples that aren't on the spec?
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lyricallies
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- 11-06-2015 17:30
If the essay was on proteins and the role of proteins, what would everyone suggest should be included ?
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- 11-06-2015 17:44
(Original post by lyricallies)
If the essay was on proteins and the role of proteins, what would everyone suggest should be included ?
Protein structure
Haemoglobin - involved in associating and dissociating oxygen, could add oxygen dissociation curves too (High affinity, Low affinity)
Receptor proteins and relay proteins involved in cell division (proto-oncogenes and tumour suppressor genes)
Polypeptide synthesis
Could maybe talk about photosynthesis&nitrogen cycle they involve enzymes too.
Muscle contraction - Tropomyosin & Troponin -
Vengefulcandy
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- 11-06-2015 18:01
(Original post by lyricallies)
If the essay was on proteins and the role of proteins, what would everyone suggest should be included ?
2 - Structural roles
3 - Movement involving muscles
4 - Channel/ carrier proteins (transport)
5 - Enzymes
6 - Chemical Hormones/Mediators
Describe each one about with 100-125 words including two examples in each so for Structural you could use the examples of keratin and collagen. Talk about their structure then why it is important. Repeat and watch the marks pile up -
lyricallies
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- 11-06-2015 18:06
Thankyou that's really useful
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Vengefulcandy
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- 11-06-2015 18:10
(Original post by Ozy96)
Enzymes involved in the digestive system (Lactase, Maltase etc.)
Protein structure
Haemoglobin - involved in associating and dissociating oxygen, could add oxygen dissociation curves too (High affinity, Low affinity)
Receptor proteins and relay proteins involved in cell division (proto-oncogenes and tumour suppressor genes)
Polypeptide synthesis
Could maybe talk about photosynthesis&nitrogen cycle they involve enzymes too.
Muscle contraction - Tropomyosin & Troponin -
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- 11-06-2015 18:18
(Original post by Vengefulcandy)
Don't talk about polypeptide synthesis as you will probably lose marks because it's irrelevant to the title
Also, what do you think of the likelihood this will come up? It hasn't been asked yet I don't think...It would be god sent if it does come up. Although AQA aren't that generous. -
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- 11-06-2015 18:38
Can there be an essay on transport systems or is that too vague?
Last edited by thegiggler; 11-06-2015 at 18:39. -
lyricallies
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- 11-06-2015 18:42
I was thinking there could be one on ATP
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- 11-06-2015 18:47
Don't suppose anyone has 5mins to go through my essay above 😊
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