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biology

Hearing

30th March 2016

Hearing is a familiar and important human sense that is a topic naturally of interest to those who are curious about human biology. This unit will enable you to relate what you read to your own sensory experiences – and indeed many of the questions asked have exactly that function. This unit will be best […]

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Spectrophotometry – principles and practice

29th March 2016

An articulate presentation detailing the theory behind the use of spectrophotometers to detect and quantify biological molecules. Further to this the Beer-Lambert Law is explored and methods to establish standard curves for calibration and determination of unknown concentrations explained, as is the method for the determination of the peak wavelength of a sample. The presentation […]

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Enzyme Assays

29th March 2016

This articulate presentation illustrates the basic principles of enzyme assays. The resource describes how to use spectrophotometry to measure reaction rates, the effect on substrate concentration on reaction rates and explains the principles behind the Michaelis-Menten equation. The resource was created by Dr Sue Whittle & Dr Sue Bickerdike, University of Leeds and can be downloaded here.

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Techniques in Molecular Biology

29th March 2016

This articulate presentation describes some of the basic techniques in molecular biology with particular emphasis on the use of plasmids as cloning vectors. The theory behind the techniques used to isolate plasmid DNA, carrying out restriction digests, pcr and running agarose gels is described in detail, supported by animations to illustrate the text. Quizzes are […]

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Vaccination

29th March 2016

Vaccinations are now considered a part of everyday life, but how do they work? This unit will help those with a background in biology understand the historical development of vaccination, assess the various types of vaccines used today, examine their production and explore the limitations that are placed on vaccination programmes. This resource was hold […]

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The Inflammatory Response

29th March 2016

Describes the inflammatory response – a series of local cellular and vascular responses which are triggered when the body is injured or invaded by micro-organisms or antigen. The resource was created by Joanne Lymn, University of Nottingham and can be downloaded here.

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