Cell Signalling

Brief:
Discuss the ways in which signalling molecules can be classified, and an over-view of the classification of cell membrane receptors. Also explain in your introduction how hydrophobic signalling molecules may produce a cellular response. (Approximately 850 words)
You should then describe in detail the signal transduction pathways for a) a G-protein coupled receptor using either glucagon or ADH as an exemplar, and b) a receptor tyrosine kinase pathway using either insulin or epidermal growth factor (EGF) as an exemplar. For each of your chosen signal pathways analyse its importance to the correct functioning of the organism and indicate problems that might result from errors in signalling. You may integrate images into your essay to support your discussion and analysis.

Assessment Criteria:
1. A clear over-view of the classification of signalling molecules and the main types of signalling systems (30%)
2. Clear explanation of transduction in the two named signalling pathways. (35%)
3. Analysis of the importance of the two named signalling pathways to the organisation and control of cells and organisms, including examples of the effects of errors in signalling. (25%)
Identification of relevant texts and illustrations referred to in the report using the Harvard referencing system outlined in the assignment handbook. (10%)

The writer must be English as it is to be written in English, not American or Chinese English. Would rather that not so many American (uni/college) websites were referenced either, I hope you know what I mean by this.

HAVE INCLUDED A FILE called example of a past paper that shows what harvard referencing should look like called EXAMPLE PLEASE LOOK AT THIS.

YOU MUST LOOK AT JOURNALS FOR THIS. Where possible reference from up to date journals (from the last four years) and reference from the suggested reading list at the bottom of the instructions. As a rule use around 1 reference (from different sources) for every 100 words, use journals mainly, up to date books and try to stay away from webpages.

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