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    (Original post by jonathan3909)
    You need to know 17 in total-9 of As and 8 of A2!:eek: :yes:

    Describe how the effect of caffeine on heart rate
    in Daphnia can be investigated practically, and
    discuss whether there are ethical issues in the use of
    invertebrates.


    Describe how to investigate the vitamin C content of
    food and drink.

    Describe how membrane structure can be investigated
    practically, eg by the effect of alcohol concentration or
    temperature on membrane permeability.

    Describe how enzyme concentrations can affect the
    rates of reactions and how this can be investigated
    practically by measuring the initial rate of reaction.

    Describe the stages of mitosis and how to prepare
    and stain a root tip squash in order to observe them
    practically.

    Describe how totipotency can be demonstrated
    practically using plant tissue culture techniques.

    Describe how to determine the tensile strength of plant
    fibres practically.

    Describe how to investigate plant mineral deficiencies
    practically.

    Describe how to investigate the antimicrobial properties
    of plants.
    ________________________________ ____________________________
    Describe how to carry out a study on the ecology of a
    habitat to produce valid and reliable data (including
    the use of quadrats and transects to assess abundance
    and distribution of organisms and the measurement
    of abiotic factors, eg solar energy input, climate,
    topography, oxygen availability and edaphic factors).

    Describe how to investigate the effects of temperature
    on the development of organisms (eg seedling growth
    rate, brine shrimp hatch rates).

    Describe how DNA can be amplified using the
    polymerase chain reaction (PCR).

    Describe how gel electrophoresis can be used to
    separate DNA fragments of different length.

    Describe how to investigate the effect of different
    antibiotics on bacteria.

    Describe how to investigate rate of respiration
    practically.

    Describe how to investigate the effects of exercise
    on tidal volume and breathing rate using data from
    spirometer traces.

    Describe how to investigate habituation to a stimulus.


    THE END
    Oh Dear Lord.

    Thank you so much!

    And what statistical tests should I know?

    Apart from the T-test, U-test, Spearman's correlation and Chi Squared?

    Don't tell me all the others from that document you attached (Regression analysis etc etc.) ;o
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    Can anyone post the details about the 8 praticals for A2?
    I am an oversea student who is self-studying GCE.
    I thought there were 9 praticals only...
    Can anyone help? lol
    THANKS A LOT!!!!
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    i hope these are useful!!!=)
    Attached Images
  1. File Type: pdf 5.1 Students Notes pages 1-3.pdf (187.2 KB, 1560 views)
  2. File Type: pdf 5.1 Students Notes pages 4-8.pdf (318.6 KB, 1452 views)
  3. File Type: pdf 5.2 Students Notes.pdf (186.8 KB, 1454 views)
  4. File Type: pdf 6.1 Students Notes.pdf (111.2 KB, 1014 views)
  5. File Type: pdf 6.3 Students Notes.pdf (132.1 KB, 970 views)
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    these are the rest of the them
    Attached Images
  6. File Type: pdf 6.2 Students Notes.pdf (110.2 KB, 998 views)
  7. File Type: pdf 7.1 Student Notes.pdf (233.3 KB, 1289 views)
  8. File Type: pdf 7.2 Students Notes.pdf (286.6 KB, 1262 views)
  9. File Type: pdf 8.1 Students Notes.pdf (134.9 KB, 1068 views)
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    (Original post by y-1234)
    these are the rest of the them
    MAAAAAAAAAAAN I LOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOOOOOVE U THAAAAAAAAAAAAAAAAAAAAAAANKS SOOOOOOOOOOOO MUCCCCCH

    U GOT NO IDEA HOW I WAS SUFFERING AM STUDYING THIS ALONE AND I GOT NO RESOURCES .... THAAAANKS A MILLION :woo:
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    anytimeeeeeeee im glad it came in use :yep:
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    bro i hope am not asking too much, am an overseas private candidate and ma examination centre is not providing any help i heard there are teacher/lecture sheets too, do u have them?
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    and do we have to search for the practical of 6.1 and 6.2 alone .. the sheets are empty
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    (Original post by sandook)
    and do we have to search for the practical of 6.1 and 6.2 alone .. the sheets are empty
    Practical 6.1 and 6.2 is in the Student Book!
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    (Original post by shuvo_roy)
    Practical 6.1 and 6.2 is in the Student Book!
    ooooo okie dokie ama check the book
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    (Original post by y-1234)
    anytimeeeeeeee im glad it came in use :yep:
    THANK U!!!!!!!!
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    hey guys! what do you think will be in?? )
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    (Original post by sandook)
    and do we have to search for the practical of 6.1 and 6.2 alone .. the sheets are empty
    You may find these helpful



    http://www.dnalc.org/resources/anima...ophoresis.html

    http://www.dnalc.org/resources/animations/pcr.html
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    really good stuff thanks mate
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    hey how are you people doing the panning question? I did few of the past papers and checked them with mark schemes but still find it difficult! Do you have any revision notes or suggestions?
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    Did anyone came across a chi-squared test question? I been searching the past paper for one :/
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    here are some stats notes

    Which stats test should I use?

    Hypothesis tests & Mann-Whitney U-test

    The paired t-test & when to use it

    Chi squared test
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    Thanks :]
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    ahhh thanks man never knew we need to know this do we only need to focus on mann-whitney u-test, chi-squared test, and t-test??? what about spearman's rank correlation, for example it came in question 3 of the sample paper do we just mention it or give details
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    (Original post by y-1234)
    these are the rest of the them
    Do you have similar ones for phy6??
 
 
 
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