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ok yeah ty

oh ok could i get the 3 marks by just showing the mechanism for incresing temp or did i also HAVE to do decrease in temp

yeah. the question can be interepreted in defferent ways. also u know the negative feedback mechanism how many marks was it wirth

i think when the question says "how does genetics and the environment" you have to write environment changes genes that changes phenotype. nothing to do with crossing over.

hey also for the last 7 marker i didt finish it but i mentiond cystic fibrosis, and the way to treat it quciky do u think i could get 2 marks for that</SPAN>

my bio teacher is a marker also and she said that it was nervouse system. she also said that for the mc about CO2 and O2 that the ans was b

dam it just hit me that ur right. my teacher said it was nervous system

se i only gave one line identifying the change e.g hydrangers colour of their flowers depends on soil ph and height of pea plants depends on soil nutrition. then i just went on saying that factors affect gene expression by turning on and off genes which is also seen in beadle and tatum...

nice to see u agree with me :)

i just focused on genotye expression i didnt think that we had to mention how it is expressed just just y it is expressed differently

i hope so but i think we were also meant to mention gene expression and how genes are expressed so id say a mark of 4

how many marks was the feed back mechanism

oh dam band 5 for me also for the 8 mark question i didnt acualy finish it as i left it till last of the exam and didnt have time. what do u think i can get /8 i gave examples of hydranger flower colour being affeted by soil ph pea plant growth being affected by soil nutriends and...

about the allele question i think u just needed to say A B O some people are saying AA AO BB BO AB B OO but no thats not right becuse they are phenotypes not alleles

for the feedback diagram i only put the heating and not the cooling because it asked for the mechanism in the information and it didnt state in the iinformation that the people cool down it just said heat up. Am i right?

see with this question i didnt acualy finish it. what do u think i can get /8 i gave examples of hydranger flower colour being affeted by soil ph pea plant growth being affected by soil nutriends and radiation changing geneexpression with the example of beadle and tatum

does any one remember the 8 marker from the common paper. if so what is it?

does any one remember the biology 8 marker question in the common paper if so what is it

hey could someone plz give me an estimte what kind of atar should i expect with these raw marks: (this is what i predict i will get as raw marks) math ext: 50/83 ---- school ranking 6 math 2U : 105/120---- school ranking 8 Biology : 80/100---- school ranking 2 SOR 1U : 35/50---- school...

hey, well these are my ranks adn what i think ill get in exam my school estimated me an atar of 92 with my ranks so ill say u will be in 70's somewhere math ext: 50/83 ---- school ranking 6 math 2U : 105/120---- school ranking 8 Biology : 80/100---- school ranking 2 SOR 1U ...