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OCR Biology F212 Revision [3rd June 2013] (Now Closed)

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Original post by otrivine
No I did not do the paper,already did it in Jan 2013 and got an A, just curious if it was harder than our paper in Jan :biggrin:


How was it for you :smile:

Looking at peoples comment , the paper was nice


It was pretty good but heavy on biodiversity which often brings boundaries down :smile:
Original post by g.k.galloway
I didn't either but I don't think you had to actually specify. Although I think I may have put which ones were long term, just not the short terms ones :smile:


So hopefully I'll still get some credit :smile: everything I said was right (I think) so howpfully just a couple deducted for not specifying
Original post by otrivine
No I did not do the paper,already did it in Jan 2013 and got an A, just curious if it was harder than our paper in Jan :biggrin:


How was it for you :smile:

Looking at peoples comment , the paper was nice

nice than last june for sure

yeah it was OK-dont think I've got full UMS as I was aiming for-didn't realise the last one was microscopic -__ - and wrote about allopatric/sympatric speciation and migration due to changes in climate LOL im so clever...
then afew other ambigious bits here and there like the hydrogen bonding -completely forgot about 2-3 -_-
think i should still have an A though :smile:
Original post by g.k.galloway
I think its Mycobacterium tuberculosis and Mycobacterium bovis. That's what I put (Don't think you'll need both)


Yeah I looked it up after the exam, it's only 1 mark so it's not the end of the world :smile:
Reply 1404
Avatar for Rick_095
Rick_095
Original post by g.k.galloway
You still should have got it right as both a real bear and the bug are eukaryotic and animals :smile:

Oh yeah nevermind, woo! I spent ages at the end trying to find the question that used the second picture.
Original post by g.k.galloway
I think its Mycobacterium tuberculosis and Mycobacterium bovis. That's what I put (Don't think you'll need both)


:smile:
Reply 1406
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ssflcb
12
I don't now about the paper .. i mean it was not bad but what was the alcohol anhydrase one on it was enzyme but the other two parts of the question ? :smile: is anyone going to make an unofficial mark scheme ? :smile:
Original post by MedMed12
nice than last june for sure

yeah it was OK-dont think I've got full UMS as I was aiming for-didn't realise the last one was microscopic -__ - and wrote about allopatric/sympatric speciation and migration due to changes in climate LOL im so clever...
then afew other ambigious bits here and there like the hydrogen bonding -completely forgot about 2-3 -_-
think i should still have an A though :smile:


Very good, like that :smile: I am sure you will!!

That question the importance of base pairing is quite interesting what did you put
Reply 1408
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spongez
2
Original post by Rick_095
I think I lost one or two marks on that, I realised last minute that the "water bear" was actually that microscopic organism on the insert...not an actual bear, silly me.


Not an actual bear lmaoooo that has made my day!


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Would I lose a mark for putting just Mycobacterium? Also, for the dehydrogenase question, I talked about the actual mechanism rather than active site, etc. Would I get any marks?
Original post by g.k.galloway
It was pretty good but heavy on biodiversity which often brings boundaries down :smile:


I see ! :smile:

I am sure you smashed it :wink:
Damn!! I wrote myobacterium tuberculosis!


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Original post by frogut
What did everyone put for the domain and kingdom of the water bear thing in that last question? I guessed protoctist and eukaryote?


I put animalia and Eukaryotae
The hardest question for me was the 2 marker about TB? Someone explain
Reply 1414
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Tejmasta
Original post by g.k.galloway
I think its Mycobacterium tuberculosis and Mycobacterium bovis. That's what I put (Don't think you'll need both)


Would i still get the mark if i spelt it is Myobacterium instead of Mycobacterium?
Am I safe in assuming the boundary for an A will be 72 or less?
Original post by ssflcb
I don't now about the paper .. i mean it was not bad but what was the alcohol anhydrase one on it was enzyme but the other two parts of the question ? :smile: is anyone going to make an unofficial mark scheme ? :smile:


I expect we'll need acess to the paper first, so it may be a little while yet!

Original post by fluker6696
Would I lose a mark for putting just Mycobacterium? Also, for the dehydrogenase question, I talked about the actual mechanism rather than active site, etc. Would I get any marks?


Because of how pedantic OCR are I would be inclined to say you would drop the mark for only Mycobacterium :frown:
Original post by ashraf549
The hardest question for me was the 2 marker about TB? Someone explain




wasnt it just that TB is a droplet infection so the disease spreads in droplets in coughs/sneezes etc
Reply 1418
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BioGeek
OP
13
Original post by Tejmasta
Would i still get the mark if i spelt it is Myobacterium instead of Mycobacterium?


You must write Mycobacterium tuberuclosis underlined.
Reply 1419
Avatar for kited4
kited4
Original post by ashraf549
The hardest question for me was the 2 marker about TB? Someone explain


I put droplet infection - the bacterium is present in droplets in the saliva so when an individual coughs/speaks, the droplets leave their mouth and pass into another person?

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