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  1. HubbaBubba

    AS Biology P1 MCQs Preparation Thread

    q33 - It has to be D, because the amount of smokers at the start of 1950 is 80%. That means if 60% decreased, then 32% of smokers should remain which according to the graph is wrong. Graph shows that it's around 35-37%. The fact that they said 'approximately' is a key word in this statement...
  2. HubbaBubba

    AS Biology P1 MCQs Preparation Thread

    q1 - They pretty much calibrated it for you. If one EPG unit is 0.005mm, then 3.5 units are (0.005 * 3.5) 0.0175mm which is 17.5 micrometers. C is the answer. q10 - Only peptide bonds are formed between amino acids in the primary structure. Any other bonds are formed later in the secondary...
  3. HubbaBubba

    AS Biology P1 MCQs Preparation Thread

    You can find a site which explains it very clearly if you google calibration, but when the question says each division, they literally mean 'every division'
  4. HubbaBubba

    biology paper 1 doubts

    June 2012 q12 - Definitely product will increase while substrate decreases. That means B and C are incorrect. D is incorrect because overtime the substrate concentration decreases, and rate of reaction decreases, so it will slow down. A is correct q21 - You have to have some knowledge of the...
  5. HubbaBubba

    AS Biology P1 MCQs Preparation Thread

    Nope when they say each division, they mean each small division. Don't get confused with that! You could lose a lot of marks!
  6. HubbaBubba

    How do you convert A Level to GPA?

    Every university does it differently. Some universities mark A* as 100%, and A as 90%, B as 80% and so on, while others make A* as 95%, A as 90%, B as 85% and so on. You need to ask them if they accept the British certificate and show them your grades.
  7. HubbaBubba

    AS Biology P1 MCQs Preparation Thread

    Each division on the SM has 40 EPG units. Since each SM division is 0.1mm, that means each 0.1mm has 40 EPG units. Therefore 1 EPG unit is = 0.0025 mm (2.5micrometers) Width begins at 61 units and ends at 70 units on EPG so width of the nucleus is 9 units. 9 * 2.5 = 22.5. The answer would be C
  8. HubbaBubba

    AS Biology P1 MCQs Preparation Thread

    q5 - C may seem slightly correct, but B seems even more correct. 220nm is 0.22micrometers so you won't be able to see anything that's 0.2 micrometers in width. You should take the one that is more true. Also if I recall, I don't recall being able to see two distinct membranes during practicals...
  9. HubbaBubba

    AS Biology P1 MCQs Preparation Thread

    q24 - Each division on the SM has 40 EPG units. Since each SM division is 0.1mm, that means each 0.1mm has 40 EPG units. Therefore 1 EPG unit is = 0.0025 mm (2.5micrometers) 10/2.5 = 4 so the answer is B. q38 - Somebody explained this a few pages earlier, just browse through, and you'll find it!
  10. HubbaBubba

    A 4th subject ?

    I've taken English Language. It's mainly analyzing passages, and writing articles and stories and such. Depends on what you're doing in college in the first place. If you're taking fine arts, I strongly suggest you take it :) If not, well my friend said that in her major, she doesn't use it really.
  11. HubbaBubba

    What grade would I get?

    Chemistry AS P1: 24/40 P2: 50/60 p3: 30/40 Biology AS p1: ESTIMATED 37/40 p2: 54/60 p3: 34/40 Mathematics AS p1: 60/75 p6: 43/50 English Language AS p1: 40/50 p2: 38/50
  12. HubbaBubba

    Chemistry paper11 mcq discussion.

    I thought it was hard :s Hope GT is 25
  13. HubbaBubba

    Does anybody ever get 35+/40 in chemistry p1?

    Exactly! In biology I easily manage to 33 without breaking a sweat, and on my good days get around 35! Chemistry is just UGHHHHHHH. Yes isA we all do well tomorrow :/
  14. HubbaBubba

    Does anybody ever get 35+/40 in chemistry p1?

    It's not the fact that people are better than me or anything it's just - it seems so impossible T_T
  15. HubbaBubba

    Does anybody ever get 35+/40 in chemistry p1?

    This question is really bugging me. I can't manage more than 32, and there was only ONE time I got 35, but it was probably luck. Does anybody ever get higher than this? ;_;
  16. HubbaBubba

    P1 MCQ's preparation thread for chemistry ONLY!!!!

    So for cis trans to occur, either two same groups, or four different groups? :S But if you put Cl, there would be no same groups, so no cis-trans as well!
  17. HubbaBubba

    P1 MCQ's preparation thread for chemistry ONLY!!!!

    21 An alkene has the formula CH3CH=CRCH2CH3 and does not possess cis-trans isomers. What is R? A) H B) Cl C) CH3 D) C2H5 Why can't it be B? Why is the answer D?
  18. HubbaBubba

    Chemistry: Post your doubts here!

    21 An alkene has the formula CH3CH=CRCH2CH3 and does not possess cis-trans isomers. What is R? A) H B) Cl C) CH3 D) C2H5 Why can't it be B? Why is the answer D?
  19. HubbaBubba

    A level Biology: Post your doubts here!

    Nahh you misunderstood me. See as he inhales more, the line x gets shorter, and as he exhales more, the line y also gets shorter.
  20. HubbaBubba

    Thank you for following :)

    Thank you for following :)
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