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dedicated543
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#3641
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#3641
(Original post by amar96)
They were in interphase/have not condensed and duplicated

correct me if im wrong
but it said this was after cell division
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harjshavin
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#3642
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#3642
(Original post by amar96)
They were in interphase/have not condensed and duplicated

correct me if im wrong
i put the ones on the first page (fig1), were in metaphase, and figure 2 in interphase??... dunno if thats right tbh.
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violetiz
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#3643
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#3643
You didn't have to write about apoplastic/simplastic pathways for the 6 marker did you? I only mentioned cohesion tension and root pressure.
Not going to lie I'm pretty sure I didn't do amazingly.
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_iiGEO
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#3644
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#3644
(Original post by jones2596)
what was the number of N and n for the species diversity question in order to work it out?? I got 0.1 definitely have done something wrong...
i did the same i think we forget to take away the total and multiply eg. 80(80-1)

but we will get 1 out of 2 marks for the correct bottom half of the equation

but then again we may be correct who depending on how many people had the same answer i suppose? :| i hope so anyway lol
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GTSwattsy
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#3645
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#3645
For the question do with meiosis where it asked for another way of variation beside independent segregation what did everyone put?

Was random fertilisation right?
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JackTheNerd
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#3646
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#3646
(Original post by DannyRedman)
For index of diversity anyone get 80(79) divided by 906 which gave 6.98?????
Correct sir
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Lucy_95
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#3647
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#3647
For the one about the different hospital getting different results I put resistance and stuff, but then I thought, can bacteria be resistance to disinfectants?! They don't come from living things do they?
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StudentTalk
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#3648
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#3648
(Original post by jaszs)
what did people put for that cystasine one inhibiting the cell cycle question or something?
condensation reaction between OH of other molecule and H of cytosine forming a bond prevents guanine from forming hydrogen bonds with cytosine therefore the strands cannot fully attach and is unstable... etc
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rac1
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#3649
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#3649
(Original post by laurag4131)
I hope they do! In unit 1 in January I got an E, I'll have to see what I get in this and the resit
I won't get higher than a C though
But I'm not too bothered this is the subject I'm dropping


Posted from TSR Mobile

I'm in year 13, if you looked at my results you might say that sixth form had made me stupid! I've sat unit 2 twice already and I don't think I've done better this time.
You do so right to drop it
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Jay95
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#3650
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#3650
stupid mistakes!
*i THINK i wrote centriole instead of centromemere :-( not sure
*messed up on that cell division diagram :-(

other than that i liked the exam sounds like im the only one who did by the looks of things!

more people didnt like this exam compared to unit one

hoping for at least a B


*fast foreward to reults day to find I got E *

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HearingWhat?
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#3651
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#3651
(Original post by Hi, How are you ?)
Aren't you defining a phylogenetic tree?
For Jan 2011 Q3b(i) it was 'define a phylogenetic relationship' - shows evolutionary relationship

So for this one which was 'what is a phylogenetic group', i would have thought it'd be along the lines of a group which shares an evolutionary relationship
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pushkin_
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#3652
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#3652
(Original post by The Lawful T.J)
My table looked like:
Sample
1--
2--------
3--------✓ -----
Anyone else?
(For the Nitrogen)

I put the same :confused:
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Mangodepo11
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#3653
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#3653
Getting iritated by the different interpretations for the 6 marker- Here are the correct marks.

-Active transport
- Lower water potential
-osmosis
- transpiration/evaperation
- Root pressure
- cohesion-tension theory

None of this symplastic/apoplastic rubbish
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rac1
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#3654
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#3654
(Original post by GTSwattsy)
For the question do with meiosis where it asked for another way of variation beside independent segregation what did everyone put?

Was random fertilisation right?
i think this was another one I forgot to go back to.
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adil_1806
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#3655
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#3655
(Original post by jaszs)
what did people put for that cystasine one inhibiting the cell cycle question or something?
it has a similar shape to the cytosine base therefore it can bind to guanine instead. and because i dont think that inhibitor was actually a base it could not code for anything therefore inhibition occurs as that base wont be coded for.
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Tee Logan x
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#3656
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#3656
(Original post by The Lawful T.J)
Woo!
I know right. It was one of those qs where i thought 'omg if i could get this right i could do anything' and then i come on tsr and i see that someone wrote 'oh it was pretty stupid because the tube showed which nitrogen strands were present' and its just like not so clever after all
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PickwickianGeek
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#3657
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#3657
(Original post by Richyp22)
Getting iritated by the different interpretations for the 6 marker- Here are the correct marks.

-Active transport
- Lower water potential
-osmosis
- transpiration/evaperation
- Root pressure
- cohesion-tension theory

None of this symplastic/apoplastic rubbish
We won't be penalised if we wrote about the symplastic or apoplastic right?
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bad8oy
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#3658
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#3658
(Original post by StudentTalk)
condensation reaction between OH of other molecule and H of cytosine forming a glycosidic bond prevents guanine from forming hydrogen bonds with cytosine therefore the strands cannot fully attach and is unstable... etc
i put similar shape to cytosine therefore complementary with gaunine. It forms a complementary base pair with Gaunine. Prevents cytosine from forming a complementary base pair with gaunine.

no idea though lol
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laithmo96
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#3659
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#3659
(Original post by GTSwattsy)
For the question do with meiosis where it asked for another way of variation beside independent segregation what did everyone put?

Was random fertilisation right?
I put crossing over/recombination.
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adil_1806
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#3660
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#3660
(Original post by rac1)
i think this was another one I forgot to go back to.
Crossing over
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