Recent content by brianchau3

  1. B

    HSC Biology Marathon 2015

    It's not B as DNA isn't specific to gender and hence not D. Mutations are generally the altering of a bases (whether it be a deletion, addition or substitution) in the organism itself, which I don't think involves transgenic organisms. I think A is most correct, as transgenic organisms involve...
  2. B

    HSC Biology Marathon 2015

    What you are talking about is during protein synthesis (inside the ribosome), I believe this process is known as dehydration (removal of a water molecule). The amino acids form peptide bonds to each other, hence joining together to form an unfolded amino acid chain (since the bonds are peptide...
  3. B

    HSC Biology Marathon 2015

    The answer is C; - You can pretty much cancel out A) as the question says nothing on females/males (I don't think they can do that to us...) - B) is wrong as well, as you can't have two plants, heterozygous or homozygous(recessive) red/purple and produce offspring of both colours (punnet...
  4. B

    Mathematics Question

    Ahhh ended up getting a moderated 79 internal mark then 89 hsc mark, so overall 84.. not quite there so i'm doing it again :D School was ranked 150-170th
  5. B

    Mathematics Question

    I'm coming 19/34
  6. B

    Mathematics Question

    Hi, I finished the trial for mathematics 2U and achieved 65%. I'm currently doing accelerated mathematics, however I intend to finish maths IF POSSIBLE this year. I'm looking for a band 6 only and would repeat the course again next year if I don't achieve that. From what i've heard, people...
  7. B

    Devastating results in mathematics yearly exam... drop to general???

    Hi, I would suggest that you stay with mathematics, simply because its just so hard to get a mark thats worthy of an atar in the HSC, I'd personally say that it would be better off trying in mathematics then just going through general mathematics, as I believe you'd be more motivated to go hard...
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