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    May 2014
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  1. I think all papers were good but question one from paper 2 what did you write for ethanoic acid concentration? I still dont get it...
  2. Hm i cant remember the numbers i got... Could you tell me ow you got that value? I think i used binompdf
  3. Hi What is the effect? Just that you can hydrate to form an amide etc?
  4. II know that some (quite big) part of my classmate chose endoplasmic reticulum (proteins for exocytosis) but some (including me) chose sarcoplasmic reticulum. While one of the best students in our class picked rough endoplasmic reticulum pointing that actin is a fibrous protein so i has mainly secondary sturcture and does not need any further modification so it will be just synthesised and then exocitosised. Anyway I'm confused with this question... I chose sarcoplasmic reticulum too cuz I think I read on ib.bioninja before that the muscle fibres have this layer called the sarcoplasmic reticul
  5. hi guys, i wrote death of a salesman and streetcar with question one minor characters i felt english was really good this year including p1
  6. im not sure if its right but i said food supply/availability and then temperature rising because it may not be appropriate for hatching and that there is higher chances for parasites to survive...
  7. hi i did that at first, but i realised it wasnt an integer. so basically i dont think you need to. since you had s2 you know that u2 is s2 - u1 did you do that? and what did all of you write for the general expression? i just added the arithmetic sequence with u1=1 d=3 to the geometric one with u1=k r=2 or sth Safe to say, I messed up on that one, my brain wasn't functioning properly then (started with section B). Ah well, aiming for that 5. i wrote it the other way around because f''(-2) was negative? since f'(x) was decreasing so i had f(-2)<F'(6)<f(0)
  8. Holaaa, yo he nacido en Barcelona por eso puedo hablar español y además, es mi lengua materna. La verdad, ahora que vivo en Alemania me va bien poder hablar en español por alguna parte, porque ya lo echo de menos. agradezco que hayáis creado esto. Estoy en mi primer año de bachillerato... Dentro de un año me toca a mi hacer los exámenes que yuyu.. bueno que tal os están yendo? Yo también tengo química en nivel alto, es muy difícil??
  9. It's true that they want you to perform an experiment yourself so you have a primary source, that's always 'recommended'. Also, it does have a structure, just like any science essay or investigation, with the abstract, the introduction, the table of contents, the appendices, the bibliography, etc. If you look on the guidelines and other EEs you'll see loads of information.
  10. I also want to do my EE on biology. I can't be of much help since I'm kind of lost too but I can say that the extended essay has to have quantitative data. Generally you should also do something of like relevance so you can evaluate and give conclusions so you might be able to give your topic much more of a 'twist', like say environmental factors or something, but I suppose bacteria is on surfaces you can use. Probably using controls and trying out different methods should help you come up with an idea of how to perform the experiment. The experiment doesn't necessarily have to be super compl
  11. Like everyone said, you do have to have a research question which covers some kind of motif or theme in the book, it has to be specific engouh, but not too broad. So you don't necessarily have to do all the books (unless you reaaaally want to). But since it's the same series I guess it's ok. But a comparison between two books is harder than one so... And you can do it on any subject area you want, but it's better if you find a good supervisor and if you're addressing greek themes in it then it probably fits more in english. But the best you can do is look at the extended essay guidelines for b
  12. Just like everyone said choose the one you are most interested in and the one you think you will score the highest on. Think about what you're good at and which one you could make local. Also it's sometimes recommended that you choose a subject you're doing at higher level (but not necessarily). My eco teacher said most HL economics students' EEs are on market structure form micro (as in monopoly, oligopoly, that kind of thing). About bio and chem, apparently it's more difficult to get a higher grade on it especially if you aren't interested. If you are, then the experiment doesn't necessarily
  13. I'm also in IB1 and I have never pulled an all-nighter, or at least not yet. I go to sleep every day at 10.30 because my mom's REAAALLY strict. Everyone says that at some point I will as an IB student have to pull all-nighters (which I hope I won't) But still, I think the IB Programme's really good in the way that it offers you loads of chances for uni, but probably (with all CAS, EE, TOK, IAs etc) it's like it's planned for you to not have any free time or to procrastinate. I feel like it's practically designed for you 'life' outside school to be CAS. But I think sleeping is important to work
  14. What others said, in general your marks are looked at by someone in your school to predict your grades. In mine what they do is they count the third term final exams as 50% so that you can make up to it if you don't do to well on others. My school's a big fan of second chances so if you improve a lot in grade 12 then they can always change them. But when it really comes down to it is how your own school works and the general feeling they get from you. I think for US universities the grades you have been getting are really important for like your GPA and all. I'm not sure about the UK though, b
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