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89 for Chemistry... If only I gained 1 more mark...

Well I related to the entire syllabus pretty much: I talked about enzymes, antibiotics, mutations, polypeptide synthesis, antibiotic resistance and the need to find new antibiotics and alot of barely related stuff. I had no idea what exactly BOS wanted and wrote anything I could think of...

Yes, I would think it would be the better answer, but as noted in the excel book, the time period for the rapid change is too short for any fossils to be created, hence, there won't be a complete set of fossils as according to gradualism. This, I think, is precisely the reason why punctuated...

Well this is what the excel book (the one with all the syllabus dotpoints) has to say about the punctuated equilibrium question: (ByDiane Alford & Jennifer Hill) The concept of punctuated equilibrium and how it differs from Darwin's views: (pg 55) This equilibrium may last millions of years but...

Transgenic species: Plant: BT Cotton The starberry that could grow in cold climate or something Animal: Sheep that could secrete alpha 1 protein - used in treating human lung diseases. 'Super...

Anyone mind giving any tips on how to tackle the 6-8 marker questions? I always lose marks here and there in them...

To be honest, I don't think it is terribly hard. All the questions work out some way or another. I believe that the hardest aspect of Mathematics extension 2 is to do the questions in the least amount of time possible...

This question requires a 3 step process. 1. the line y=1 intersects y=e^x at x=0 and y^2=e^(2x) 2. The cylinder made by the volume of x=1 and y=1 is (pi) because the cylinder has radius of 1, and "height" of 1. 3. Hence, the volume is = Integrate [1,0] pi*e^(2x)dx - pi...