OCR F211/F212 AS Biology Retake 2016

Original post by Random573

What did people put for the questions you had to make up? I remember for one of the answers I wrote fungi (the top one)

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- Fungi
- Does it feed autotrophically?
- Does it have a true nucleus?

Reply 703

emsyp6

Original post by Lion2121

- Fungi
- Does it feed autotrophically?
- Does it have a true nucleus?

Would I get the mark for just saying does it have a nucleus? I didn't put true 😬

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Reply 704

dansag

do you have to write 'true' nucleus because i just wrote nucleus

Reply 705

Think you'd probably get both true nucleus and nucleus

Reply 706

Original post by Lion2121

For primary I put: - Low for number of antibodies produced
- Short (not sure if it was right)

For secondary I put: - High
- Long (again not sure if this was right)

I thought primary was longer than secondary due for the fact you don't have memory cells etc, but otherwise I got the same answer.

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Reply 707

Original post by GetOverHere

I thought primary was longer than secondary due for the fact you don't have memory cells etc, but otherwise I got the same answer.

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Wasn't it the length of the immune response though?

So I was thinking secondary response is faster than primary response due to memory cells, but secondary immune response lasts longer due to the antibody concentration staying higher for longer

Reply 708

Original post by Lion2121

It was the duration of the response I think. I was thinking that it was shorter because you've wiped out the infection quicker, so you don't need the prolong the response any further.

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Reply 709

Original post by GetOverHere

The whole duration of the secondary response is longer though.

Primary response is 28 days
Secondary response in +28 days

Reply 710

Original post by Lion2121

The whole duration of the secondary response is longer though.

Primary response is 28 days
Secondary response in +28 days

You're probably right then, tbh.

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Reply 711

Hi guys has anyone got the unofficial mark scheme for yesterday's F212 2016 retake

Reply 712

Original post by CurleysWife

For the question on the dichotomous key question, I wrote 'Does it have fertilised eggs that develop into blastula?'. Would that be correct?

This paper was awful.

Also on the last questions where you had to say why the statements were incorrect... I agreed with the statements LMAO?

That paper was a joke! It was so bad worse than last years! I'm actually scared I did rubbish

Reply 713

Original post by Redman789

Repeats ? I think wrote that .... hopefully i did ! Maybe a larger range perhaps i dunno

Yeah I wrote to do repeats and use larger range I hope that's right in the mark scheme 😞

Reply 714

Original post by kiasne

what was that! i'm going to fail

That paper was horrible I'm gonna do so bad 😭 What on earth was OCR playing at

Reply 715

smozsolution

I think I would have done better if I didn't turn up :colonhash:

I'm resitting a B to get more UMS for an A overall at A2 so luckily it's not the end of the world. I just need 13 extra UMS across F214 and F215 now to get my A :s-smilie:

(edited 7 years ago)

Reply 716

annaj97

Original post by ao_no_exorcist21

If you get like an A at AS overall and get A*s in A2 exams would you end up with an A* overall?

A* is 90% UMS across A2 units and 80% UMS overall (all AS and all A2 units)

Reply 717

egilford

Yeah I wasn't a massive fan of this paper either. For the 2 levels of biodiversity question I put species evenness and richness as you have to take them into account when calculating the diversity index? Kinda doubting myself now though 😕

Reply 718