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Which do u think is better in structure? Its for comparative study Structure1 Paragraph 1: Poem 1 + Play Paragraph 2: Poem 2 + Play Paragraph3 : Poem 1 + Poem3 + Play OR Structure2 Paragraph 1: Poem 1 + Play Paragraph 2: Poem 2 + Play Paragraph3 : Poem 1 + Play I used Structure 1...

But we know how to get rid of pathogens!!! Well, most.

Lol thats not really swearing. Also he's a fellow HAHS'er

^ No eco assholes on this thread. It destroys the purity of bio

^asks for exampleS - more than one is needed/ Also try to be more specific; rather than simply saying study DNA, it is better to say the different methods used (what are they comparing between organisms) E.g. through dna seuqencing it has been determined that the regulatory genes in insects and...

Changes in an environment's chemical composition acts as a selective pressure to favour the survival of organisms with certain variations over others, thus leading to a population's change in the frequency of alleles (evolution) by natural selection. E.g. Insecticide resistance: DDT was used to...

What would happen if your related text is a short story or poem, etc and it ends up being a text in the short answer section?

I dont think the amino acid is non-functioning. Rather the incorrect amino acid sequence is transcribed onto the mRNA strand. Hence the incorrect polypeptide is formed during translation ---> the resultant protein is dysfunctional. Also you could say some point mutations (e.g. where a single...

Cool. Do you know any other points to add to that question? I struggled with that dot-point cos most of my resources were too vague.

Re: HSC 2013 2U Marathon ^ can the AM-GM inequality be stated in 4U to show/prove things like (x+y+z) >= 3 x cube root of x

Interactions include: - Both control the immune response and interact to destroy the same antigen - Helper T cells can be activated by antigen presenting macrophages or B cells - The interaction between B and T lymphocytes is regulated by the secretions of chemical signals by Helper T cells...

Re: HSC 2013 2U Marathon Although your final answer is correct, your working out suggests that the answer is -ln(root2). When you square root the cot^2 x it becomes abs (cotx). Now the integral is defined over the interval x = -pi/4 to x = 0. In this region cotx is negative, so abs(Cotx) =...

Depends maybe 4 or 5. But i started studying only a week ago (got very sick in first week of hols).

Re: HSC 2013 3U Marathon Thread ^ Alright thanks. I'm quite sure it isn't taught in 3U so i wasn't sure if we're allowed to use it

Re: HSC 2013 3U Marathon Thread do you use the technique in 4U where Integrate f(u) du = Integration f(x) dx?

Im positive that Deane, Suu Kyi and Bandler wont be specified. Probably Keating (20yr anniversary) or Sadat (hope not, i havent read this)

Meiosis is a reduction cell division aimed to produce a wide genetic variety of gametes with the haploid condition. - During cross-over double stranded homologous chromosomes pair up and exchange genetic material to produce recombinant chromosomes whose allelic forms differ from the parent...

An imbalance of microflora can be caused by bodily stress, infections and the use of drugs which may reduce the populations of certain micro-organisms. This reduces the competition for resources for other micro-organisms allowing them to reproduce uncontrollably (i.e. above the natural levels)...

Early time: hypothesis that malaria was caused by drinking bad water, being bitten by swamp insects or inhaling bad/swampy air 1880: Laveran discovers Plasmodium protozoa responsible for malaria through microscopic examination of blood from infected patients 1897: Ronald Ross determined the...

thanks. i keep forgetting about organic solutes. just realised i forgot to ask a question. QUESTION : Evaluate the importance of Boveri and Sutton's experiments in our current understanding of inheritance and genetics