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Edexcel IAL Biology Unit 4 June 2016

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Reply 100
Avatar for Aimen.
Aimen.
7
Original post by tabetha
I said that u couldnt tell how much poo was in each quadrat??


I wrote this and that they might not leave pellets everytime they ffed and that some maybe washed off or blow away?
Reply 101
Avatar for Aimen.
Aimen.
7
Original post by tabetha
i said maybe it had blood from an injury or saliva from it cleaning itself ?? tricky


They might accept this but to me it sounds kinda unreal!
Original post by Annaaix_
Anna's tragic answer: ''maybe some hair was left behind or maybe some dead skin cells''.......:biggrin::biggrin:


OMG! I said the exact same thing. :K::K::K::K::K:
Original post by Aimen.
I wrote this and that they might not leave pellets everytime they ffed and that some maybe washed off or blow away?


I said that the percentage of quadrats having pellets does not give any info on the no. of pellets in the site. eg, A site can have many quadrats with pellets but have very few no. of pellets.
Reply 104
Avatar for tgygt
tgygt
2
How about difference between habitat and environment?
Why not 90% people die due to ebola virus disease?
Reply 105
Avatar for tgygt
tgygt
2
Original post by Sandy_Vega30
I said that the percentage of quadrats having pellets does not give any info on the no. of pellets in the site. eg, A site can have many quadrats with pellets but have very few no. of pellets.


same here!
Guys, what about the question that asked about why the DNA is NOT the sequence of genes that code for amino acids. The 4 mark question?
Original post by tgygt
How about difference between habitat and environment?
Why not 90% people die due to ebola virus disease?


I found this hard, I said habitat is its location and environment is the abiotic and biotic factors of the area affecting the organism itself? Guessed again lol and because people had access to medicine and had very good health able to fight the infection also people are more aware of Ebola so they didn't go near infected people and people were treated faster and more efficiently
Original post by Sandy_Vega30
Guys, what about the question that asked about why the DNA is NOT the sequence of genes that code for amino acids. The 4 mark question?


One of the questions I left blank!
Reply 109
Avatar for tgygt
tgygt
2
Original post by Sandy_Vega30
Guys, what about the question that asked about why the DNA is NOT the sequence of genes that code for amino acids. The 4 mark question?


I wrote
The DNA in diagram contains both white and shaded sections
White section is intron and shaded ones are exons
Introns are removed in RNA splicing so they are not present in mature mRNA
Mature mRNA only contains exons which can be translated for coding amino acids
So introns are sections that are not translated into amino acids
Original post by Annaaix_
One of the questions I left blank!


Were you not able to finish the paper??:no:
Reply 111
Avatar for tgygt
tgygt
2
How many marks for the quadrat sampling question? 4 or 5 marks?
Original post by tgygt
How many marks for the quadrat sampling question? 4 or 5 marks?


5 marks. Did you use random or systematic sampling? i used random.
will there be an unofficial marking scheme for this unit? if so, where can I find ?
Original post by Sandy_Vega30
Were you not able to finish the paper??:no:


No I finished well in time just left that question and a biosphere one out!
Reply 115
Avatar for AvWOW
AvWOW
3
Original post by tgygt
I wrote
The DNA in diagram contains both white and shaded sections
White section is intron and shaded ones are exons
Introns are removed in RNA splicing so they are not present in mature mRNA
Mature mRNA only contains exons which can be translated for coding amino acids
So introns are sections that are not translated into amino acids

I wrote this too!
(edited 7 years ago)
Original post by Annaaix_
No I finished well in time just left that question and a biosphere one out!


You didn't try ********ting a random answer? I thought that's what people usually do, ******** random stuff related to the topic in hopes of hitting 1/2 marks. That's what I always do tbh.
Original post by tgygt
I wrote
The DNA in diagram contains both white and shaded sections
White section is intron and shaded ones are exons
Introns are removed in RNA splicing so they are not present in mature mRNA
Mature mRNA only contains exons which can be translated for coding amino acids
So introns are sections that are not translated into amino acids


Original post by AvWOW
I wrote this too!


Oh man, I wrote about splicing and spliceosome and exons and introns but more of the exons can be arranged in many orders therefore many polypeptides can be made.
Original post by Aimen.
I wrote this and that they might not leave pellets everytime they ffed and that some maybe washed off or blow away?


I wrote hares are mobile creatures and they don't necessarily eat where they poop. Something like that, can't remember it clearly. But that's the only thing I wrote and the question in 3 marks. UGH.
Luckily, I only need to get a borderline B/high C for this paper to end up with an overall A. Whew.

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