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  • Biology Factsheet: 79. The chi-squared test for goodness of fit

    Biology Factsheet: 79. The chi-squared test for goodness of fit

    The chi-squared (χ2) test is widely used within  project  work. This Factsheet will tell you when and how to use it. Questions using the chi-  squared test may occur on exam papers...

    Price £3.00more info
  • Biology Factsheet: 80. Structure and biological functions of proteins

    Biology Factsheet: 80. Structure and biological functions of proteins

    By studying this Factsheet the student should gain knowledge and understanding of:  • The primary, secondary, tertiary and quarternary structure of proteins, including fibrous and globular ...

    Price £3.00more info
  • Biology Factsheet: Biology Factsheet: 81. Gas exchange in plants

    Biology Factsheet: Biology Factsheet: 81. Gas exchange in plants

    This Factsheet covers the relevant AS syllabus content of the major examination boards.  By studying this Factsheet candidates will gain a knowledge and understanding of:  •Fick&rsquo...

    Price £3.00more info
  • Biology Factsheet: 82. Transport in flowering plants

    Biology Factsheet: 82. Transport in flowering plants

    This Factsheet covers the relevant AS syllabus content of the major examination boards. By studying this Factsheet candidates will gain  a knowledge and understanding of:  • the need ...

    Price £3.00more info
  • Biology Factsheet: 83. Chromatography and its uses in biology

    Biology Factsheet: 83. Chromatography and its uses in biology

    After studying this Factsheet the student should understand:  • the principles and method of simple paper chromatography  • the range of chromatographic methods available  ...

    Price £3.00more info
  • Biology Factsheet: 84. Xerophytes and hydrophytes

    Biology Factsheet: 84. Xerophytes and hydrophytes

    Xerophytes are plants which are morphologically adapted to dry conditions  i.e. arid or semi arid environments. It is wrong to say that all xerophytes  prefer dry conditions - many grow be...

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  • Biology Factsheet: 85. The paired t-test & when to use it

    Biology Factsheet: 85. The paired t-test & when to use it

    The t-test is widely used within  project  work. This Factsheet will tell you when and how to use the paired t-test. Questions using the  t-test may occur on exam papers, but you will ...

    Price £3.00more info
  • Biology Factsheet: 86. The human genome project (HGP)

    Biology Factsheet: 86. The human genome project (HGP)

    The genome is the collective name for all the genes in the basic set of chromosomes of an individual, including the gene positions and  sequences on the chromosomes  and the base sequences ...

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  • Biology Factsheet: 87. The biology of fertilizers

    Biology Factsheet: 87. The biology of fertilizers

    This Factsheet covers the following areas of A-level syllabuses  and specifications:  • the need for fertilizers.  • types of fertilizers and their use.  • the e...

    Price £3.00more info
  • Biology Factsheet: 88. The biology of pesticides

    Biology Factsheet: 88. The biology of pesticides

    This Factsheet covers the following topic areas relevant to students of AS/A2 level Biology:  • the need for pesticide use.  • the chemical nature of some pesticides and their ac...

    Price £3.00more info
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