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  1. ictigcse2013

    EDEXCEL A2 BIOLOGY UNIT 6B

    At first I thought, oh its a good paper. Then I was like maybe nahh it wasn't that good. Losing all those small marks will add up and become significant. I can only hope unit 4 and unit 5 are better. How about you? :) Whats your next exam?
  2. ictigcse2013

    EDEXCEL A2 BIOLOGY UNIT 6B

    Oh awesome! Did you check with your teacher or? :)
  3. ictigcse2013

    EDEXCEL A2 BIOLOGY UNIT 6B

    Limitations could include, first of all, the generic statement that its difficult to control all variables affecting the d.v. You could also say its hard to judge the end point, where DCPIP turns from blue to colourless especially if its a dark juice. there's genetic variation in vegetables. or...
  4. ictigcse2013

    EDEXCEL A2 BIOLOGY UNIT 6B

    Oh yes! I said that it attaches to the ribosome, thereby inhibiting the translation of mRNA into proteins and enzymes. Since proteins and enzymes are now made/made less, the bacteria cannot grow or reproduce. I dunot know if its right. can someone confirm?
  5. ictigcse2013

    EDEXCEL A2 BIOLOGY UNIT 6B

    Yes you have to include the zero's. I cant recall correctly, but was it about the safety?
  6. ictigcse2013

    EDEXCEL A2 BIOLOGY UNIT 6B

    Thoughts on today's paper?
  7. ictigcse2013

    EDEXCEL A2 BIOLOGY UNIT 6B

    Thanks! Where are the questions?
  8. ictigcse2013

    Edexcel IAL A2 Biology JUNE 2015 Pre realeased Material- SCIENTIFIC ARTICLE

    Hi Dr. Bob Do you have any tips for unit 6B? What should we pay attention to? Any predictions? How should I answer question 3? Thats probably the most difficult one? Thanks so much! Have a nice day!
  9. ictigcse2013

    EDEXCEL A2 BIOLOGY UNIT 6B

    Where can we get this book? Online? thanks!
  10. ictigcse2013

    Edexcel IAL January 2015 Past Papers Mark Schemes & Examiner Reports

    Thanks! Can you also upload the examiner report pls? :)
  11. ictigcse2013

    Edexcel IAL January 2015 Past Papers Mark Schemes & Examiner Reports

    When will the mark schemes be available? :)
  12. ictigcse2013

    CHEMISTRY JUNE 2014- ANSWER GUESS

    Everybody else got 4.8 and I got around 5, so it's most likely wrong :(
  13. ictigcse2013

    CHEMISTRY JUNE 2014- ANSWER GUESS

    I got 5.05 around for the mass :( For the volume i added the two volumes for acid and the other thing I can't remember
  14. ictigcse2013

    Mechanics 1 [Doubts and Solutions]

    Question 1 in Jan 2014. A truck P of mass 2M is moving with speed U on smooth straight horizontal rails. It collides directly with another truck Q of mass 3M which is moving with speed 4U in the opposite direction on the same rails. The trucks join so that immediately after the collision they...
  15. ictigcse2013

    Chemistry question - AS Level

    Thank you everybody, I get it now :)
  16. ictigcse2013

    Chemistry question - AS Level

    What is the mechanism for the free radical substitution of ethane by chlorine? I think the first would be breaking down Cl2 ( an ' is used to show a free radical) Initiation: Cl2 -------> 2 Cl' And then im not sure what the propagation and termination steps would be. Any help would be...
  17. ictigcse2013

    Preparation for Edexcel AS level

    If there is a January session, I will be so happy :D
  18. ictigcse2013

    Preparation for Edexcel AS level

    And what are you guys going to do, the practical paper or coursework? does physics even have coursework? hahah idk sorry, but chem does and its a problem now with the whole IAL thing..
  19. ictigcse2013

    Preparation for Edexcel AS level

    I thought you would only be able to do them in may/june? We were told that there were no more Jan sessions..
  20. ictigcse2013

    Hahah lucky you. I still have chemistry and biology and e.m paper 4 to go!

    Hahah lucky you. I still have chemistry and biology and e.m paper 4 to go!
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