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Ventus25
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#1
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Anyone else thought that exam was awful?
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iamhappy888
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#2
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#2
It really was
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jemixu
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#3
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I have done biology paper 1 last week
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ladolcevita21
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completely... some of the questions really threw me
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luqman12673863
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#5
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(Original post by ladolcevita21)
completely... some of the questions really threw me
What was on it
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Kallum17
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#6
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#6
The comprehensive question was fine, however i didn't have enough time to finish it. I'm really disappointed I couldn't finish the 4 marker in time considering it was just regurgitating the extract. I missed the 3 marker too.
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jemixu
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#7
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(Original post by luqman12673863)
What was on it
I can't really remember
Last edited by jemixu; 1 year ago
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Kallum17
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Also wtf was that the name 3 differences between nucleus and chlorolast dna.
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ladolcevita21
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#9
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I missed one sentence on the last 3 marker.. but I completely skipped the rate question and graphing it ugh
(Original post by Kallum17)
The comprehensive question was fine, however i didn't have enough time to finish it. I'm really disappointed I couldn't finish the 4 marker in time considering it was just regurgitating the extract. I missed the 3 marker too.
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ladolcevita21
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(Original post by Kallum17)
Also wtf was that the name 3 differences between nucleus and chlorolast dna.
I think it has to do with the DNA in the chloroplast being circular vs linear, not associated with histones... that kind of thing? The protein question with the charges threw me tho I just said something about the R groups having different charges so they'd be more attracted to positive or negative end if the charges were negative/positive??
Also the question on 2 similarities and a difference in dipeptides? How do I not remember learning anything like that man
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Kallum17
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(Original post by ladolcevita21)
I missed one sentence on the last 3 marker.. but I completely skipped the rate question and graphing it ugh
The rates question was easy, you did 10/time, for each conc and plot a graph of rate/conc
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ladolcevita21
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(Original post by Kallum17)
The rates question was easy, you did 10/time, for each conc and plot a graph of rate/conc
hahah of course I missed the easy question. I got confused because it said the maximum rate was 1 but then I was getting 1.47 ?? no idea where I went wrong there tbh
Also how did you calculate the standard error thing? I have never done that
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Kallum17
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#13
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(Original post by ladolcevita21)
I think it has to do with the DNA in the chloroplast being circular vs linear, not associated with histones... that kind of thing? The protein question with the charges threw me tho I just said something about the R groups having different charges so they'd be more attracted to positive or negative end if the charges were negative/positive??
Also the question on 2 similarities and a difference in dipeptides? How do I not remember learning anything like that man
I said 2/3 amino acids were polar as they were attracted to the negative electrode meaning they were slightly positive and of the two one was more polar.

Similarities- position of peptide bond, amino and carboxyl group
Differnces- r group
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seabasssss
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#14
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I let 1/6 equal 1 arbritary unit so 7s would be 6/7 abitrary units and so on... got 0.3, 0.6, 0.9, 1.0, 1.0
(Original post by Kallum17)
The rates question was easy, you did 10/time, for each conc and plot a graph of rate/conc
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Kallum17
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(Original post by ladolcevita21)
hahah of course I missed the easy question. I got confused because it said the maximum rate was 1 but then I was getting 1.47 ?? no idea where I went wrong there tbh
Also how did you calculate the standard error thing? I have never done that
1/15 * 100 + 0.5/5 * 100 = 16.67 %
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Kallum17
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(Original post by seabasssss)
I let 1/6 equal 1 arbritary unit so 7s would be 6/7 abitrary units and so on... got 0.3, 0.6, 0.9, 1.0, 1.0
I have no clue what you have done, im pretty sure it said that it took X amount of time to get 10cm of oxygen. So rate would be 10/time and the units cm^3s-1
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seabasssss
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#17
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Yes but the maximum rate is 1 arbritary unit so how can you have 10/6=1.4?
(Original post by Kallum17)
I have no clue what you have done, im pretty sure it said that it took X amount of time to get 10cm of oxygen. So rate would be 10/time and the units cm^3s-1
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ak393
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#18
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#18
I did the concentrations over the time but Ik that’s wrong
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ak393
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#19
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#19
What did everyone get for the volume of chloroplasts
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Kallum17
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#20
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#20
Fuuuuuuuuuuuuck, I've never ****ing heard of arbitrary units and just diregarded it. Fuuuuck, i bet they don't allow carry through marks either
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