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Goldn
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#3381
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#3381
it was clearly 6 it repeated every 10 seconds
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Jaydude
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#3382
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#3382
Hmm....I'm kinda surprised at the response to the exam. My prediction of 6 marker was true!

Few questions

Why was diffusion higher when water from tracheoles in insects was removed? Higher SA:VR?

Species diversity was 6 something?

Tick boxes: quaternary structure was haemoglobin? Nitrogen present in starch and cellulose? Can't remember other box...


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jamesfancourt
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#3383
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#3383
(Original post by reubenkinara)
Yea as its a protein. An amino acids join by condensation.

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Darn it, I just didn't think cause as soon as I saw the others I knew immediately they were condensation as in the book it stresses that haha oh well only a mark


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Kvothe the Arcane
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#3384
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#3384
(Original post by Kcash)
What did people put for the question about abdominal muscles in insects
Increases air in tracheoles so conc gradient between tracheoles and rrspiring muscle tissue is steeper.

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futuredentist95
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#3385
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#3385
i hate ticking box questions so awkward lol
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Manni
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#3386
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#3386
What the bloody hell was that
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Bobby2
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#3387
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#3387
(Original post by adamsharif95)
same i didnt put it for heamoglobin either
but i put that heamoglobin has nitrogen ? is that right lol
Yeah I put that it has nitrogen too. It has a quaternary structure meaning that it must have a tertiary structure so it contains nitrogen, it is an enzyme also
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Sophie1994
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#3388
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#3388
(Original post by adamsharif95)
i got 6.6 reoccurring, it opened twice in 18 seconds.. so i did 2/18 multiplied by 60 seconds..
dont know if im right or not
I did that


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saz62
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#3389
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#3389
(Original post by reubenkinara)
They divide more frequently and thus undergo more dna replication.

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Woooo I put that and thought it was wrong haha


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Sumi Prakash
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#3390
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#3390
I'm hoping it'll be 55/56 for an A otherwise it's a retake for me
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PR11NCE
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#3391
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#3391
(Original post by reubenkinara)
Which part?

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I put increases chances of survival by avoiding predation and something to do with catching prey adaptations I can't remember word for word but I was in half a mind to spit on the paper it was that awful in patches

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Jimmy20002012
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#3392
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#3392
Pretty decent exam


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jamesfancourt
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#3393
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#3393
(Original post by saz62)
Woooo I put that and thought it was wrong haha


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I put something about rapidly dividing cells


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saz62
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#3394
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#3394
(Original post by Ravs101)
What did you put as a control variable for the snakes in the cage to show courtship behaviour occurred? Sorry can't remember the exact question? :/


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Filter paper with NO lipids


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Futuristicmedic
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#3395
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#3395
What did everyone put for water going into muscles question ??? Hardest one on the paper IMO


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PR11NCE
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#3396
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#3396
(Original post by Kcash)
What did people put for the question about abdominal muscles in insects
Ventilation and steep conc gradient I can't remember word for word.

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Nima123
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#3397
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#3397
What will the grade boundaries be for an A, higher than jan 2013 or lower??
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star10159
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#3398
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#3398
ill start:
Question 1
a) Centromer
b) joins to spindle fibers in metaphase
c) different alleles
d) chromosomes not replicated into sister chromatids as figure 2 is prior to synthesis.
e) 3 chromosomes- 1 from each homologus pair( ie. one long,1 medium and one short)

Question 2
a)similar organisms capable of breeding to produce fertile offspring
b) groups withing larger groups with no overlap
c) groups based on evolutionary relationships
d)cant remember

some one please quote me and continue...
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Steve1232
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#3399
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#3399
(Original post by jamesfancourt)
Does haemoglobin have condensation reactions?


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Haemoglobin is a protein, amino acid chains are formed by condensation reactions... i think
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bunny96
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#3400
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#3400
(Original post by reubenkinara)
Which part?

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Question 9, when it was asking about why the males show more courtship behavior towards longer snakes :confused:
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