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  1. 2S1D3

    what are your raw marks for past papers

    The only test that I have marked was the 2006 one and I got 73/84 what would this align to?
  2. 2S1D3

    Now that English is over..

    its just a bloody boring subject
  3. 2S1D3

    nexttttt

    Lets see if i can remember it :) -Human larynx is a holloow structure with the vocal chords stretched across the tube. -It consists of nine cartilages, membranes, ligaments and a mucous lining. -When air passes over the diaphragm, the vocal chords increase in tension to increase the pitch of the...
  4. 2S1D3

    nexttttt

    umm like 3 marks so i think you would probably have to go with natural selection, but i dont know if you have to go in depth :S EDIT: they only gave five lines...
  5. 2S1D3

    nexttttt

    Wow that is a bloody good answer.
  6. 2S1D3

    nexttttt

    Excuse me if this question was asked before :D The widespread use of antibiotics for the treatment of bacterial infections has led to the development of antibiotic resistance in some species of bacteria. From your studies of evolution and the mechanisms of inheritance, explain how resistance has...
  7. 2S1D3

    Feeling Like Shit?

    Sounds like a journey lol
  8. 2S1D3

    nexttttt

    Salmon: - have been inserted with the BGH hormone that produces faster and larger fish. - This provides food to many countries with salmon as their staple diet, thus providing food to a large number of people without adversely affecting salmon population. Method:- a fertilised egg is removed...
  9. 2S1D3

    The Meissner Effect

    Meissner effect but it is basically a 'superconductor' form of Lenz's Law, my bad if I'm wrong:D
  10. 2S1D3

    nexttttt

    -Lymph system filters lymph fluid as it passes through lypmh nodes, it is this area where foreign proteins (i.e. antigens) and tumour cells are engulfed in the process of phagocytosis by macrophages. -At these nodes, B Cells make antibodies agains antigens recognised by the body. EDIT: Outline...
  11. 2S1D3

    nexttttt

    I can't answer that, I thought it's the segregation of chromosomes but I'm probably wrong, just look it up on wikipedia or something.
  12. 2S1D3

    What will be asked this year?

    I have a feeling that they will ask something about the work of an Australian male or female scientist.
  13. 2S1D3

    nexttttt

    Outline the reasons for the suppression of the immune response in organ transplant patients.
  14. 2S1D3

    nexttttt

    yea its good, hehe I actually found the production of polypeptides the hardest in the course, EDIT: Smallpox: is caused by the virus Variola Major and is transmitted by the inhalation of infective droplets. -Its symptoms include skin rash, headaches and even internal haemorrages. -In 1796 Edward...
  15. 2S1D3

    nexttttt

    Veins:- thin walled blood vessels that have a large bore and have valves to prevent backflow. -Essentially transport blood to the heart from the extremeties. -Have a very low blood pressure, and usually transport deoxygenated blood, except for the pulmonary vein. Arteries:- thick, muscular...
  16. 2S1D3

    nexttttt

    ahhh dunno if this is right -Mendel suggested that genes can either be dominant ( expressed as a phenotype more often in the offspring) or recessive ( less often) - He conducted these through pea plants and he discovered that the dominant genes in MOST cases were beneficial to the organism...
  17. 2S1D3

    nexttttt

    -Antibiotics were first effective in controlling bacterial populations. -But antibiotic resistant bactieria were present, by having favourable characteristics, they could pass this on to the next generations. -Over time large populations of drug resistant bacteria were present and antibiotics...
  18. 2S1D3

    nexttttt

    Outline the roles of Sutton ans Boveri in identifying the importance of chromosomes.
  19. 2S1D3

    strictly ONE related text?

    ^^^ how do you know all this btw? is it from your teacher? EDIT: dont worry
  20. 2S1D3

    Was Text 3, Section 1 a Dog or Human??

    Re: The Poem Was About A Dog? Fucking Biology fucked me up I thought the beagle was a reference to Charles Darwin's ship, HMAS Beagle...but the whole dog thing is clearly a metaphor, but as long as there is a good argument I can't wonder why the markers wont give full marks to the student?
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