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

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Reply 2200

Joshbeks

AHH great

thanks
also do you think that for the question on the validity, saying to repeat would get a mark ?

Reply 2201

Onkar-M

Bit late but is there an unofficial mark scheme?

Reply 2202

Kartoffelnnn

I put the infective agent of TB as bacteria because the question was too vague.
will I get the mark? :frown:

Makr sceme?

Original post by Kartoffelnnn

I put the infective agent of TB as bacteria because the question was too vague.
will I get the mark? :frown:

No, you won't. The question wasn't vague, at all. In fact, there're only really three/four possible answers-the main one being Mycobacterium tuberculosis.

(edited 10 years ago)

Reply 2205

Smarticus

Original post by BioGeek

Primary Structure is correct.
Additional guidance may also accept polypeptide.

Ahh yes! I was going to slap myself because it seemed like an easy question not to get and it was the first question. Thanks

Reply 2206

Smarticus

I can tell the grade boundaries are going to be high though -__-

Reply 2207

kofinho

Who knows where I can get the unofficial mark scheme?

Reply 2208

exams567

look at the first page of this thread, there is an unofficial mark scheme

Reply 2209

Loiks94

has nobody got a copy of the paper then?

Reply 2210

lucindaellaaa

Looked at the unofficial mark scheme; and I think I may have about 86ish, I hope the grade boundaries are about 70-71ish now :biggrin:

Reply 2211

NOONA.

Original post by Vicodin

doh! i did the same by putting myobacterium D:

Let's just hope we get the mark! :smile:

Reply 2212

Onkar-M

Original post by lucindaellaaa

Looked at the unofficial mark scheme; and I think I may have about 86ish, I hope the grade boundaries are about 70-71ish now :biggrin:

where is it?!
could you link me pls :smile:

Reply 2213

lucindaellaaa

Original post by Onkar-M

where is it?!
could you link me pls :smile:

first page of this thread :')

Reply 2214

NielsBohrsDad

in the book i read the domain out as "eukarya" will i still get a mark cos i wrote eukarya.

i smoke about enzymes and activ sites for the enzymes question but didnt mention complexes

and for the long term and short term question- i wrote about selective breeding, and then using marker assisted selection.
then i start talking about antibiotics for short term. but i didnt directly talk about wild plants i spoke about plants as a whole. would i still get the marks?

for the amino acid general structure i didnt put a h on the central carbon? how many marks gone?!

for the collagen strength i wrote it is strong. but i didnt explain- it was only a 1 marker thats still a mark yeah?!

for culling i said people may use em as pest control.

for that dna conditions question- i said spin the tubes at same speed
pour the same volume of solution in each tube
& use the same concentrated sugar solution.

Can somebody please tell me if these were still right?!
Thanks.

Reply 2215

Loiks94

Could someone post the paper please?