nicolech00 Posted February 28, 2017 Report Share Posted February 28, 2017 I need some help looking for some Ib Biology SL IA topics... To be honest i don't know where to start from so I just wanted to ask you for some suggestions about how should i start or what should i start looking for. I just need some suggestions or ideas so I can start looking up some ideas and formulate my questions Reply Link to post Share on other sites More sharing options...
inriya Posted March 1, 2017 Report Share Posted March 1, 2017 Let's start with: Any topics in Bio that you are interested? e.g: plant structure, photosynthesis, respiration, enzymes, etc etc Reply Link to post Share on other sites More sharing options...
nicolech00 Posted March 2, 2017 Author Report Share Posted March 2, 2017 @inriya HI!!! topics as in something i have done in bio? we have only done until chapter 2 (chapter 1 is cell biology and chapter 2 is molecular biology) and we are working on chapter 3 (genetics). the reason why i find it hard to look for a topic or question is that I like photosynthesis or enzyme reaction labs because they are easier and straight forward. however, since this is our IA i did want to do something different, something interesting and not just look at factors that affect rates of photosynthesis, because those are just too simple. i would like to find something that you can see in the real world and for example, have a research done on something big and make a smaller and simpler replication of it in my IA and talk about how through that experiment i found that and whatever i am supposed to find out. i don't know if you understand what i am looking for... and this is why i find it very difficult to find a good topic. Reply Link to post Share on other sites More sharing options...
inriya Posted March 2, 2017 Report Share Posted March 2, 2017 (edited) 3 hours ago, nicolech00 said: @inriya HI!!! topics as in something i have done in bio? we have only done until chapter 2 (chapter 1 is cell biology and chapter 2 is molecular biology) and we are working on chapter 3 (genetics). the reason why i find it hard to look for a topic or question is that I like photosynthesis or enzyme reaction labs because they are easier and straight forward. however, since this is our IA i did want to do something different, something interesting and not just look at factors that affect rates of photosynthesis, because those are just too simple. i would like to find something that you can see in the real world and for example, have a research done on something big and make a smaller and simpler replication of it in my IA and talk about how through that experiment i found that and whatever i am supposed to find out. i don't know if you understand what i am looking for... and this is why i find it very difficult to find a good topic. I understand it is very hard to find a good topic. For me, I found a very straightforward topic and transform it into what I am interested in. E.g: Factors of enzyme rate -> Factors of affecting food enzymes in different factors of pH in digestive system. Chapter 1 and 2 do not really have very interesting topics indeed (in my personal view). Edited March 2, 2017 by inriya Reply Link to post Share on other sites More sharing options...
nicolech00 Posted March 3, 2017 Author Report Share Posted March 3, 2017 @inriya yeah there are not a lot of interesting topics in Chapters 1 and 2. So far, nothing really interests me that much. I think I will end up doing either photosynthesis or enzyme rates and maye talk about juice production or something like that. I think I will do what you told me about choosing something simple and transforming it into something more interesting. Do you think that would be easier? Because what I actually wanted to do was the opposite. Find something really interesting and use that as my background and out of that try to do a much simpler replicate of an experiment that shows what I talked in my abstract. But, I guess I am going to have to do more research... Thanks anyways! I will tell you when I find something interesting... Reply Link to post Share on other sites More sharing options...
inriya Posted March 3, 2017 Report Share Posted March 3, 2017 3 hours ago, nicolech00 said: @inriya yeah there are not a lot of interesting topics in Chapters 1 and 2. So far, nothing really interests me that much. I think I will end up doing either photosynthesis or enzyme rates and maye talk about juice production or something like that. I think I will do what you told me about choosing something simple and transforming it into something more interesting. Do you think that would be easier? Because what I actually wanted to do was the opposite. Find something really interesting and use that as my background and out of that try to do a much simpler replicate of an experiment that shows what I talked in my abstract. But, I guess I am going to have to do more research... Thanks anyways! I will tell you when I find something interesting... That was my way of finding my own Bio IA. However, I am not sure if your method is easier. Hope your Bio IA will go well! Reply Link to post Share on other sites More sharing options...
anythinginteresting Posted March 26, 2017 Report Share Posted March 26, 2017 Check out ibessays.org/samples for examples/samples or the official IB website! Reply Link to post Share on other sites More sharing options...
nicolech00 Posted March 27, 2017 Author Report Share Posted March 27, 2017 @inriya Hi! I think I finally got a reserach question. It is not well worded, but this is it: What is the effect of competitive inhibition and noncompetitive inhibitor on different organisms such as yeast and plant catalase? I think the problem would be.... what inhibitor? I am still finding it hard.. Reply Link to post Share on other sites More sharing options...
MainRostand Posted March 29, 2017 Report Share Posted March 29, 2017 On 26/3/2017 at 9:49 PM, nicolech00 said: @inriya Hi! I think I finally got a reserach question. It is not well worded, but this is it: What is the effect of competitive inhibition and noncompetitive inhibitor on different organisms such as yeast and plant catalase? I think the problem would be.... what inhibitor? I am still finding it hard.. Well, to know what a competitive inhibitor or non-competitive inhibitor is for those particular catalases you would need to look into the biochemistry of the enzyme itself. AKA Research. I don't even know if there are any common inhibitors for those enzymes. See, competitive inhibitors are those that compete with the substrate to occupy the active site of the enzyme. On the other hand, non-competitive inhibitors will usually act either on an allosteric site of the enzyme (if I'm not mistaken) or on the enzyme-substrate complex itself to prevent it from separating. I think you should a little bit into competitive inhibition and non-competitive inhibition experiments that are done in biochemistry to get experimental results and get your possible "materials" from there. Reply Link to post Share on other sites More sharing options...
nicolech00 Posted April 4, 2017 Author Report Share Posted April 4, 2017 @MainRostand Hi! I think I decided to research copper sulfate and how it affects the rate of catalase activity. I thought that this would be a much easier experiment to do and I could relate it to many other things. I am still looking for experiments that I can do to test this. (Some sort of experiment that will let me measure amount of oxygen produced, but I am still not sure where to look for that). Thanks for the help and the information!! Reply Link to post Share on other sites More sharing options...
MainRostand Posted April 15, 2017 Report Share Posted April 15, 2017 On 4/4/2017 at 0:24 PM, nicolech00 said: @MainRostand Hi! I think I decided to research copper sulfate and how it affects the rate of catalase activity. I thought that this would be a much easier experiment to do and I could relate it to many other things. I am still looking for experiments that I can do to test this. (Some sort of experiment that will let me measure amount of oxygen produced, but I am still not sure where to look for that). Thanks for the help and the information!! I know that copper, being a transition metal, usually speeds up the rate of a reaction (at least inorganic ones). But in the case of a biological catalyst, like catalase, are you sure that it has an effect? If it does, then great. By the way, what will be your independent variable there, because it seems like just comparing the reaction with and without CuSO4 will give you little data to discuss later. Measuring the amount of oxygen produced can be done by making the reaction take place inside of a sealed beaker with a hole connecting it to a syringe (or inverted measuring cylinder inside of water) with a hose. This way you can measure the volume of oxygen produced as the time goes by and graph these curves. Reply Link to post Share on other sites More sharing options...
nicolech00 Posted April 15, 2017 Author Report Share Posted April 15, 2017 5 hours ago, MainRostand said: I know that copper, being a transition metal, usually speeds up the rate of a reaction (at least inorganic ones). But in the case of a biological catalyst, like catalase, are you sure that it has an effect? If it does, then great. By the way, what will be your independent variable there, because it seems like just comparing the reaction with and without CuSO4 will give you little data to discuss later. Measuring the amount of oxygen produced can be done by making the reaction take place inside of a sealed beaker with a hole connecting it to a syringe (or inverted measuring cylinder inside of water) with a hose. This way you can measure the volume of oxygen produced as the time goes by and graph these curves. This is very useful information... I might really have to consider what you just told me, thanks a lot! I am trying to use a kale leaf with catalase for my experiment but I am not sure if copper sulphate will work with this, I will have to ask my teacher or even do an experiment myself to see if this works. If this doesn't work, I have to look for more inhibitors for catalase.. Reply Link to post Share on other sites More sharing options...
MainRostand Posted May 20, 2017 Report Share Posted May 20, 2017 On 2017-4-15 at 1:29 AM, nicolech00 said: This is very useful information... I might really have to consider what you just told me, thanks a lot! I am trying to use a kale leaf with catalase for my experiment but I am not sure if copper sulphate will work with this, I will have to ask my teacher or even do an experiment myself to see if this works. If this doesn't work, I have to look for more inhibitors for catalase.. Well, just try to look for information that gives you a lot of quantitative data for you to comment on. Good raw data that you can process and make into graphs is the basis for any good discussion and, overall, good IAs, in my humble opinion Reply Link to post Share on other sites More sharing options...
nicolech00 Posted May 20, 2017 Author Report Share Posted May 20, 2017 23 minutes ago, MainRostand said: Well, just try to look for information that gives you a lot of quantitative data for you to comment on. Good raw data that you can process and make into graphs is the basis for any good discussion and, overall, good IAs, in my humble opinion Yeah I already chose a question and I'm working on it. Thanks!! Reply Link to post Share on other sites More sharing options...
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