• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Search results

  1. samanja

    How was Physics P42 MJ 2017??

    any idea what teh grade threshole gonna be? 60?
  2. samanja

    How was Biology Paper 42 MAY/JUNE 2017?

    yeah exactly, i wrote teh same..
  3. samanja

    How was Biology Paper 42 MAY/JUNE 2017?

    i wrote about hybridization and use of laser scan but missed the probe part...i guess im getting 3/4 then or maybe less, Allah knows. btw good luck for physics p4
  4. samanja

    How was Biology Paper 42 MAY/JUNE 2017?

    will I get marks for writung about collection of mRNA and making cDNA for microarry..cuz the question asked for the possibility of the presesnce of allele A. And if it is present then there must mRNAs for it right?
  5. samanja

    How was Biology Paper 42 MAY/JUNE 2017?

    i added some extra like- mRNA is collected and reverse transcriptase is used to make cDNA. PCR was used to get more copies of cDNA and was heated to get single stranded cDNA. Dipped in to microarry and allowed to hybridise. It was washed and laster scanner was used.. BTW i wrote the whole thing...
  6. samanja

    How was Biology Paper 42 MAY/JUNE 2017?

    acetylCoA + B wasnt this the question? and if so then it is suppose to be oxaloacetate, right?
  7. samanja

    How was Biology Paper 42 MAY/JUNE 2017?

    about teh runners blood ph..they asked for waste productS... i answered both CO2 and lactate.. CO2 form carbonic acid when mixed with blood plasma and it fixed by haemoglobin which acts as a buffer..
  8. samanja

    How was Biology Paper 42 MAY/JUNE 2017?

    first two PYRUVATE OXALOACETATE???
  9. samanja

    A Level Biology Paper 52 3rd May 2017

    what was ur reasoning for teh students conclution being not valid???. i wrote "people should take high concentration of caffiene instead of increasing their intake of caffiene"..
  10. samanja

    A Level Biology Paper 52 3rd May 2017

    instead of the crushing part i wrote 2 tablets are made dissolve by adding deionised water of 0.5dm3 into a measuring cylinder and stirred with a glass rod..later further 0.5dm3 water added..i know its not that strong answer but still will i get 2 marks for it? and about teh source of error...i...
  11. samanja

    A Level Biology Paper 52 3rd May 2017

    didint the question specified to use caffiene tablets to prepare the solution? was it tablet or pills?
  12. samanja

    A Level Biology Paper 52 3rd May 2017

    i wrote "to minimize any impact on daphnia while handling the slide"..will that be OK???
Top