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    Contribute answers and question numbers

    1(a)i Anaerobic means respiration without oxygen
    1(a)ii There is lactic acid build-up
    1(b)i 1.5
    Stem cells are undifferentiated stem cells that can potentially become any cell.
    Enzymes are biological catalysts that speed up reactions
    The digestive system
    Muscular tissue contracts and churns food in the stomach
    Epithelial tissue covers the stomach
    Glandular tissue secretes hormones and enzymes
    5 mark question - speciation
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    http://www.thestudentroom.co.uk/show....php?t=4155717
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    What was the answer for the quadrat question? i got 16000 eventually
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    I got160, apparantly it had to be converted😢
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    How would you set up a photosynthesis experiment for light intensity by only using a ruler, pond weed, a lamp and a beaker? How would you make it a fair test? (6 marks) question 2
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    (Original post by Joeoregan)
    How would you set up a photosynthesis experiment for light intensity by only using a ruler, pond weed, a lamp and a beaker? How would you make it a fair test? (6 marks) question 2
    It doesn't say only, it gave pictures of the equipment you could use and it stated 'Here are a few pieces of equipment you may wish to use'
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    (Original post by Megthomass)
    I got160, apparantly it had to be converted😢
    So did I. I think we will still get some marks though for getting that far :-)
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    Yeh , i got 16000 as well
 
 
 
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