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Found 11 results

  1. Beastyyy

    Ia research question

    Hey guys, idk if I have a good IA research. I currently have "What is the effect of plant growth in antibacterial products on peas and sunflower"? Is this a good ia question. Any suggestion is helpful
  2. pettewaylily


    Hello everyone! I'm going into the 10th grade this year, and am planning on doing the IB program 11th-12th grade. In the future I am hoping to be a pediatrician, so I was looking online for what IB classes you should take in order for medical school. Most sites said Biology and Chemistry HL. I like chemistry a lot and am hoping to HL in that, but I'm not so sure about biology. So, first of all, would HL biology be necessary for medical school? Also, if I did do HL bio, would it be important to take biology this year too? (Pre-IB) I'm currently signed up to do physics, and I did biology in 8th grade, but I've heard that HL bio is really difficult so I'm wondering if I should take up biology this year to be prepared for when I do IB. Also, considering I want to be a pediatrician, I'm unsure whether physics is actually important or if I should just do biology instead. Thank you!
  3. Hi, guys. I am currently having a bit of trouble figuring out how to control oxygen concentration for the yeast and measure rate of respiration (based on carbon dioxide gas production) at the same time. If you have any ideas, please suggest how I could do this? I have never worked with oxygen before or tried adding a gas while measuring another. My biology teacher has told me that physically it may be difficult... But I feel like this is 10000x better than doing sucrose concentration. I have a few ideas such as isolating the yeast in a container with a specific oxygen concentration and having an aspirator/vacuum pump come out of it somehow for the carbon dioxide to be captured but I'm not sure how practical this is. In addition to that, how do I go about finding 'the best' oxygen concentrations for yeast? Do I just find the minimum oxygen concentration needed and then use values significantly higher/lower than that? I've researched that there's a point where that respiration will stop occurring in yeast if the oxygen concentration is too high. I was just wondering how I could go about finding this range/value. In addition to the above point, if this seems too difficult/impractical should I change my dependent variable? Should I measure the rate of respiration by the presence of another variable? Thanks, imperialbee
  4. John Kemmerer

    Switching Group 6 Subjects

    I am currently a junior, I have taken one year of IB music HL, however during that year we have only met once a week. I would like to know if it would be possible for me next year to switch over to IB Biology HL for senior year and take the exam. The class in IB bio has spent the past year going over the first six topics. If i get permission from the Biology teacher to join next year for the second year and I study and learn the first six topics over the summer, would I be allowed to do it? Or does IB need you to take 2 years of a subject for a HL course.
  5. ak.story

    Extended Essay Neuroscience

    Hi guys! So I've heard that extended essays on science typically don't turn out well, especially the research (non-experimental ones) but I'm really passionate about my subject and since I have 3500 words already, there's no going back now. My Research question: Does the structure of the brain alter with different neural circuitry disorders that affect nervous system function? What do you guys think? Any tips/criticisms/ideas/etc? Let me know! Obviously I can't change the topic, but I could tweak the question.
  6. So my group 4 has been assigned the topic of water, I have no idea what to do. My group has 2 bio students (one of which is me) and a physics student. Any suggestions will be extremely helpful. Thank you.
  7. I've decided to do my EE in biology and I like the topic of how well different over the counter acne medications kill bacteria. I just wanted some opinions on if this topic would translate well and be extensive enough to cover a 4,000 word essay. Also I need some help reworking it into a smart sounding question. Maybe Which OTC Acne Medication Works best to kill x bacteria? Thank you for your help!
  8. Ali.rehman

    Need help with IA

    Guys I need help with making my research question goal: the goal of the lab is to investigate how plants respond to an external stimulus. Guys help me......it's my first IA
  9. ib_student2014

    Non-experimental Biology EE?

    I was just wondering if anyone has had a good experience writing a non-experimental (research-based) Biology EE or has any advice on that kind of topic. I want to do mine on stem cell research and obviously I can't do those experiments myself. Is it really such a bad idea to do a research-based bio EE? Will I fail?...
  10. Does anyone have access to the November 2012 IB Biology SL Paper 1 or/and 2? If so can you please post a link/send to me via email [e-mail removed] Thanks!!
  11. Hello! I will be starting my first year of IB in a couple of weeks, and I am still stressing about my courses, whether I have chosen the right ones yadda yadda. I am not sure what exactly I want to pursue in university, but I believe that it'll wither be something within law (human rights, particularly women's rights) or medicine (pediatrics). I have enrolled in courses that (I hope) will keep my options open. I shall be taking: ~IB Engligh ~IB French ~IB Biology ~IB Chemistry ~IB Economics ~IB History ~IB Math The reason why I am taking 7 IB courses is because (in case you haven't figured it out already) I am incredibly indecisive. I am doing well in History and feel I can obtain good marks, yet I also want to take Economics (but that's another issue for another thread...) Because of the fact that this is a heavy course load, I wonder if I should take IB Math Studies to ease the pain? Or will that be barring any doors (in particular, doors to med school). If anyone can help me out I would be immensely thankful!!! xxx

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