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AS and A Level: Biology

We have 14 teacher specialists marking AS and A Level Biology essays.

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3,080 AS and A Level Biology essays

  • Marked by Teachers essays 79
  • Peer Reviewed essays 70
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  5. 308
  1. Marked by a teacher

    Cellular Structure amd Function

    5 star(s)

    A very comprehensive and detailed piece of work on cells. The function and structure of all the major cell types are described and explained along with a simple diagram to…

    • Essay length: 1907 words
    • Submitted: 22/07/2012
    • Marked by teacher: (?) Louise Star 10/04/2013
  2. Marked by a teacher

    Revision notes - origins of life on Earth, chemistry of life

    5 star(s)

    This is a very well detailed set of notes about early life and classification. It is wirrten in easy to digest bullet points and is reasonably well explained. It is…

    • Essay length: 2113 words
    • Submitted: 06/07/2011
    • Marked by teacher: (?) Brady Smith 10/04/2013
  3. Marked by a teacher

    Sand Dune Succession Coursework

    5 star(s)

    This is an excellent essay that outlines how to conduct a transect in the field. It lays out a well defined method and discusses how to collect and collate…

    • Essay length: 3125 words
    • Submitted: 19/02/2009
    • Marked by teacher: (?) Sam Morran 08/01/2013
  4. Marked by a teacher

    Explain how twin and adoption studies attempt to distinguish genetic and environmental factors underlying the onset of schizophrenia within families. Review the studies and discuss two limitations of this.

    5 star(s)

    In this well-researched account of the contribution made by genes and the environment to the development of schizophrenia, the writer shows clearly how MZ and DZ twin studies have aided…

    • Essay length: 1708 words
    • Submitted: 13/08/2003
    • Marked by teacher: (?) Ross Robertson 09/04/2013
  5. Marked by a teacher

    The Human Genome Project

    5 star(s)

    This is a very well researches and detailed account of the human genome project. It includes very good descriptions of biochemical techniques

    This piece of work is 5 out…

    • Essay length: 2268 words
    • Submitted: 11/07/2002
    • Marked by teacher: (?) Brady Smith 13/08/2012
  6. Marked by a teacher

    Too Much Information: Genetic Testing

    5 star(s)

    This is a well-executed essay. It is focused throughout on the comparisons between the poems and how Agard challenges values and ways of thinking. The focus on language…

    • Essay length: 938 words
    • Submitted: 11/07/2002
    • Marked by teacher: (?) Melissa Thompson 09/04/2013
  7. Marked by a teacher

    Compare the Similarities and Differences between Meiosis and Mitosis

    4 star(s)

    This is a very good essay. It has a good structure and uses the correct terminology when explaining the processes.

    However, the writer has misunderstood an area of…

    • Essay length: 629 words
    • Submitted: 24/11/2009
    • Marked by teacher: (?) Sam Morran 08/01/2013
    • Reviewed by: (?) groat 20/04/2012
  8. Marked by a teacher

    The Biological Importance of Water

    4 star(s)

    ****

    The opening of this essay is exceptional, and there are some really good points throughout. The student provides a fantastic level of detail, and shows he has done…

    • Essay length: 1332 words
    • Submitted: 17/09/2012
    • Marked by teacher: (?) Rebecca Lewis 24/09/2012
  9. Marked by a teacher

    Research Project - Could stems cells provide a cure for diabetes?

    4 star(s)

    This is well-written essay which evaluates the potential therapeutic use of stem cells in the treatment of diabetes. The writer lays out clearly the underlying causes and symptoms of…

    • Essay length: 3595 words
    • Submitted: 08/07/2012
    • Marked by teacher: (?) Ross Robertson 09/04/2013
  10. Marked by a teacher

    The Ways in Which Organisms Use ATP

    4 star(s)

    A thorough and well structured report, which could be improved by:
    1) The addition of references
    2 Some brief explanations of key terms, processes and molecule roles
    3)Attention to formatting

    • Essay length: 1102 words
    • Submitted: 23/12/2011
    • Marked by teacher: (?) Kerry jackson 07/02/2012

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