AQA BIOL2 ~ 21 May 2012 ~ AS Biology

I was wondering where Effkay had been, but it turns out he's been banned (If you were in the biol1 thread you would probably remember him, if not ignore this )

I realised this a few days ago. It piqued my curiosity for a moment as I wondered what he had done to earn a ban.

So what does everyone think the raw mark will be for 140 UMS? I got entered for Unit 1 in Jan when I didn't want to because I hadn't got used to the exam technique... 76/100 -.- 4 points off an A goddamn it!

Obviously we don't know the ISA boundaries until results day and they seem to go up every year so I think I'm going to drop down on that too, so to be sure that I definitely get an A overall, I'm aiming for around 125 -134 in this unit... stupid ISAs.

What raw mark do you think that would be around? I'm quite pleased that it's generally easier to get a higher grade in unit 2 than unit 1, same with chemistry, I thought you'd still have to get pretty high so I was desperately trying to get like 80/85 on past papers, but apparently not

For full UMS it is usually very low, actually! A couple of papers we have done you've only needed 72/85 marks to get 140UMS.

Yeah don't worry about it, I'm in the same position re. ISAs. I do OK in exams then the UMS for the ISAs are awful! lol, but it'll be ok! I'd say for around that UMS, aim for high 60s/85. Misworded - aim for full marks but it'd be around high 60s I'd guess. Go for it!

A paper I just did, think it was jan 11, it was something like 64 for full ums! so low!

I got 74 (B) UMS marks in Unit 1, and have achieved 95% in my ISA coursework. Anyone far cleverer than me care to help me out with regards to what UMS/Raw mark I need for an A overall in this exam?

Would be much, much appreciated!!!!

Hi guys.

So over the past 2 weeks or so, I've compiled a list of mark schemes for many of those 6 marker questions at the end, and many commonly-asked questions. I saw one online for Unit 1 which helped A LOT with questions, especially for me since I tend to ramble a lot — but there wasn't one for Unit 2, so I decided to make one.

As the syllabus is huge, it doesn't cover everything (for example, there aren't too many answers relating to mitosis aren't there, because a lot of the questions are AO2-based with diagrams/tables, so it'd be a tad hard to put mark schemes for that - but just make sure you know the steps and understand how it works, and then you'll be fine). But there definitely is a lot of stuff in there. Not everything is compiled in categories though (i.e you may find there'll be a mark scheme on oxygen affinity, then the next one will be something completely different, and a few mark schemes later it's back to oxygen affinity), so apologies for that.

Obviously, I suggest you revise the syllabus first so you actually understand the course. Compared to your books/notes, the mark schemes won't be of much use in AO2 questions.

For those who download it, I hope you find it useful :-)

Quick question though, does anybody have a good diagram of the condensation reaction of beta glucose? Showing like, where the H2O comes from and stuff? I just cant seem to get my head around it!

Hi guys.

So over the past 2 weeks or so, I've compiled a list of mark schemes for many of those 6 marker questions at the end, and many commonly-asked questions. I saw one online for Unit 1 which helped A LOT with questions, especially for me since I tend to ramble a lot — but there wasn't one for Unit 2, so I decided to make one.

As the syllabus is huge, it doesn't cover everything (for example, there aren't too many answers relating to mitosis aren't there, because a lot of the questions are AO2-based with diagrams/tables, so it'd be a tad hard to put mark schemes for that - but just make sure you know the steps and understand how it works, and then you'll be fine). But there definitely is a lot of stuff in there. Not everything is compiled in categories though (i.e you may find there'll be a mark scheme on oxygen affinity, then the next one will be something completely different, and a few mark schemes later it's back to oxygen affinity), so apologies for that.

Obviously, I suggest you revise the syllabus first so you actually understand the course. Compared to your books/notes, the mark schemes won't be of much use in AO2 questions.

For those who download it, I hope you find it useful :-)

Hi guys, just wondering on the topic of oxygen dissociation/the bohr effect, do we have to know all the different equations? like:

Carbonic anhydrase: CO2 + H2O <-> H2CO3 <-> H+ +HC O3-
and: Hb08+ H+ <-> HH b + 4O2

just wondering, this is in the collins student support materials by aqa.
Has it come up in the past before/likely to come up?
Or is the furthest i'll have to go is just explaining the bohr effect without the equations?
Thanks

Hi guys.

So over the past 2 weeks or so, I've compiled a list of mark schemes for many of those 6 marker questions at the end, and many commonly-asked questions. I saw one online for Unit 1 which helped A LOT with questions, especially for me since I tend to ramble a lot — but there wasn't one for Unit 2, so I decided to make one.

As the syllabus is huge, it doesn't cover everything (for example, there aren't too many answers relating to mitosis aren't there, because a lot of the questions are AO2-based with diagrams/tables, so it'd be a tad hard to put mark schemes for that - but just make sure you know the steps and understand how it works, and then you'll be fine). But there definitely is a lot of stuff in there. Not everything is compiled in categories though (i.e you may find there'll be a mark scheme on oxygen affinity, then the next one will be something completely different, and a few mark schemes later it's back to oxygen affinity), so apologies for that.

Obviously, I suggest you revise the syllabus first so you actually understand the course. Compared to your books/notes, the mark schemes won't be of much use in AO2 questions.

For those who download it, I hope you find it useful :-)

Disclaimer: I'm not answering because I'm arrogant and noticed they asked for someone far cleverer than themselves to answer.

I'll take 95% on the ISA to be 47 marks. Based on the June 2011 grade boundaries, this would have gotten you 60 UMS.

74 + 60 = 134 UMS

You need 240 UMS for an overall A grade, and so you would require 106 UMS in BIOL2 to achieve an overall A grade.

Sticking with June 2011 data, this would have been 59/85.

Edit: I replied with data for Chemistry thinking this was the Chemistry thread, and then had to edit it to show Biology.