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  1. aligatorviper

    Pre released material/Scientific article June 2014 (A2 biology EDEXCEL)

    yes depression is in the syllabus.. u need to know its causes symptoms and treatment still confirm with someone(y):)
  2. aligatorviper

    Chemistry Paper 5 | 17th of June | Notes and preparation

    https://s.yimg.com/hd/answers/i/7d895eb07d74488798452c0c730272d1_A.jpeg?a=answers&mr=0&x=1402839882&s=590ee4463143c029e335d12843f1ff36 can any1 help me how to solve q19 of jan2014..combustion analysis by vol.????
  3. aligatorviper

    Chemistry Paper 5 | 17th of June | Notes and preparation

    i have a feeling that phenylamine production may come ;)
  4. aligatorviper

    IAL Biology Unit 4

    the pH effects was a good alternation to the usual temp.effects
  5. aligatorviper

    IAL Biology Unit 4

    haha....good;)
  6. aligatorviper

    IAL Biology Unit 4

    because it gave reproductive advantage to the males..they could attract more females. for female.. better camouflage and to make them different than the males so she is recognised as potential mate by the males.
  7. aligatorviper

    IAL Biology Unit 4

    it was a good ppr:) the ratio was 3.13 for some questions i felt the marks were more than required the grade boundary is going to be higher:(
  8. aligatorviper

    How was the Physics Unit 4 exam?

    too many graphsss.but the ppr was okayyy though the ppr was a lot different....the electric field was quite tricky but easyy...
  9. aligatorviper

    Chemistry Paper 4 | 9th of June | Notes and Preparation

    it was okayyy.....it was more tricky than hard...i personally didnt find it hard compared to the past papers....i wish you get more than 88:) forget about chem4 and work harder on chem5(y)
  10. aligatorviper

    Chemistry Paper 4 | 9th of June | Notes and Preparation

    because a racemic mixture of the 2 enantiomers is formed which cancel each others optical activity hence giving optically inactive solution
  11. aligatorviper

    Chemistry Paper 4 | 9th of June | Notes and Preparation

    it is in the specification....chk again ..better late than never.(y);)
  12. aligatorviper

    Chemistry Paper 4 | 9th of June | Notes and Preparation

    yes...i doubt strongly it will come this tym. i just cant figure out whats the difference between iodination of propanone and its iodoform reaction??
  13. aligatorviper

    Pre released material/Scientific article June 2014 (A2 biology EDEXCEL)

    anything is rare when very little of it is present:). very few people may have a1at deficiency thats why it is rare or the chance to get a1at deficiency is very very less so its rare. hope that helps(y)
  14. aligatorviper

    IAL Biology unit 5

    this fever is actually hypothermia i.e drop in body temperature. thermoreceptors sense drop in temperature and activate the heat gain centre in the hypothalamus. it sends impulses to the muscles to contract faster and more. so that heat is generated which will increase the temperature back to...
  15. aligatorviper

    IAL Biology unit 5

    hypothalamus is the thermoregulatory centre. thermoreceptors sense drop in temperature and activate the heat gain centre in the hypothalamus. it sends impulses to the muscles to contract faster and more. so that heat is generated which will increase the temperature back to its normal value...
  16. aligatorviper

    IAL Biology unit 5

    fast twitch muscles do not depend on aerobic respiration but on anearobic respiration. i guess epo increases O2 capacity. as fast twitch muslces dont need O2 they really dont require epo. ;)(y)
  17. aligatorviper

    IAL Biology unit 5

    the pumps uses energy to actively transport Na+ out of the axon and K+ into the axon. it works so long as atp is present i.e all the time. the voltage gated channels help in facilitated diffusion of these ions. they depend on the voltage difference i.e the electrical gradient along the membrane...
  18. aligatorviper

    Can i repeat a unit after A2 -- or will i have to give all of them?

    u can repeat just the unit u want not all...dont need to give the units u have already aced... however confirm with ur teacher
  19. aligatorviper

    Pre released material/Scientific article June 2014 (A2 biology EDEXCEL)

    can u give me the link to the question if i can solve them i ll help u then.
  20. aligatorviper

    IAL Chemistry unit 1 may 23rd

    okay kid...i accept ur pardon...i dont mind such childish behaviour from littlle kids like u:ROFLMAO::ROFLMAO: so focus on ur next ppr my child rather crying on ur past;).....
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