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  1. J

    Host response...no immunity?

    useless, but for your interest, people who cannot mount an effective immune response to a pathogen tend to die. the moral? have safe sex and avoid AIDS.
  2. J

    Help clarify my undestanding of genes and alleles

    a gene is a segment of DNA which exists at a particular locus on a chromosome and codes for particular proteins (or just one). As autosomal genes are duplicated (1 maternal and 1 paternal chromosome), you have 2 genes directing the production of each protein(s). an allele is a variation of...
  3. J

    In the wild

    it doesnt mean shit. just write an essay (twisted into whatever register they specify) about the main ideas common to both texts (which happen to be the meaning of being a sentient being, the human relationship with nature and the influence of context on the composers), focus on techniques (make...
  4. J

    Formals (yr12); Semi-Formals (yr11); Socials (yr10)

    its sakura from cardcaptors....err not that i watch that kinda stuff anymore ahhh yeh....
  5. J

    Titration Competition

    its mad fun if titration floats ur boat. i only did it last year becoz my friend was having trouble finding 2 other ppl to be in his team. ironically, he got the highest error while i somehow got zero error giving our team a respectable 3rd place: which is good becoz i didnt want to go on to the...
  6. J

    titration curves

    some better will answer, but one of them is when ur indicator changes colour while the other is when your solution is neutralised. if youve used the correct indicator then your equivalence point will b the same as your end point. extra:
  7. J

    HSC Bio Question!

    if your looking for extra points, say that mutations can be good/bad/neutral and that only germatic mutations create alleles that are inheritable while somatic mutations are not.
  8. J

    Manhattan Project

    prob quanta to quarks... also got the cold war and public perception on the ethics of unabated scientific progress (ppl these days are generally more cynical).
  9. J

    Best Chemistry Question Textbook

    u odd ppl and ur desire to acquire textbooks... macmillan + success one + ever past trial paper i could find = 95% cost $19.95 all up. all textbooks will seem too difficult wen u first start out but as the year goes on ull quickly realise that its not complicated enough (they always...
  10. J

    Assignment question...

    add some drops of bromine water. the more reactive liquid will react with the bromine and discolour (assuming u meant 1-heptene) while the less reactive liquid (heptane) will not discolour.
  11. J

    Speeches question

    they can specify a speech if they want to so you should know quite a few very well and the rest just generally with the techniques, basic idea and a few quotes.
  12. J

    Help For Those Reading Brave New World

    i didnt even notice the porno factor but my teacher said the book was banned from aus wen it first came out becoz of the sex n stuff. n there was a movie made; and like most movies based on thought provoking books it was shithouse. also, even tho the pseudo-scientific jargon makes perfect...
  13. J

    Antacids

    bit late, but NaOH is water soluble so it will dissolve ur mouth n food pipe before it gets to ur stomach. Al(OH)3 n others r insoluble in water so do not react until it hits the acid.
  14. J

    Lost In Translation

    when this movie came out over a month ago it was shown in quite a few greater union n hoyts cinemas (i saw it in the city complex) but advertising and stuff was minimal so it wasnt really known by most until the oscars; but by now only the smaller cinemas are still showing it. i think george st...
  15. J

    chem

    NH4OH is ammonium hydroxide. OH is the hydroxide radical.
  16. J

    Soft Drink Prac

    it was changed to the volume of an ideal gas at 100kPa: at 0 = 22.71L at 25 = 24.79L should be on the 2003 data sheet
  17. J

    dot point 3.2.4

    note: didnt bother to read previous pages... most ppl in brazil use petrol cars becoz of the lack of variety in ethanol cars available and unreliable supply of ethanol as well as fewer outlets for refuelling. the govt continues to support ethanol with all govt cars using hydrated ethanol...
  18. J

    dot point blues

    i dont remember ever saying anything about electronegativity for this dot point (although i assume wat u said is correct); ND said all you need for it. also, atoms are neutrally charged, only ions have a neg or pos charge. an element's electronegativity depends on which route is easiest for...
  19. J

    2003 UAIs

    99.80 isnt it nice of them to put a 'Change preferences' link at the bottom of the window... *********************** ***HUGE EDIT*********** ***************************** At the end of the first 50 posts, here aer the stats Average: 95.00 Highest: 99.90 Lowest: (that's just mean)
  20. J

    2003 HSC Marks

    bio: 94/100 chem: 95/100 Eng (adv): 91/100 Maths (ext1): 95/100 Maths (ext2): 93/100 Phys: 94/100 ahhhh watta mad morning
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