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Horizontal Gene Transfer

This animation shows how bacteria exchange genes on small pieces of DNA called plasmids through a process called horizontal gene transfer. 

Bacteria are able to exchange genes quickly within a population on small circles of DNA called plasmids. This animation shows how bacteria exchange plasmids through a...

Wellcome Trust: Tree of life

Produced by the Wellcome Trust, these resources include an interactive evolutionary tree and a video of the Tree of Life. These materials will help students to find out more about the work of Charles Darwin and evolution. The resources contain:

Tree of life video: The video is a short...

MRSA Animation

This animation from the Wellcome Trust Sanger Institute is suitable for GCSE and A-level students and provides an introduction to the bacteria Staphylococcus aureus.

The animation describes how drug resistant strains such as MRSA can be spread in hospital settings, how infections can be treated and how MRSA...

How the Human Genome Was Sequenced

From the Wellcome Trust Sanger Institute, this resource introduces the Human Genome Project (HGP).

A short animation gives:

* an introduction to DNA and genomes;

* an overview of which countries were involved in the international Human Genome Project;

* a description of the processes,...

Subcloning

This animation shows the major stages of subcloning. This is the process of breaking up fragments of DNA from BAC clones into smaller more manageable pieces for DNA sequencing. This process was very important during the Human Genome Project. Subcloning involves several standard molecular biology techniques...

DNA Libraries: Bacterial Artificial Chromosome (BAC)

Produced by the Wellcome Trust Sanger Institute, this resource contains an overview of the techniques involved in making a BAC (Bacterial Artificial Chromosome) library. It consists of an animation that covers the key stages in the process:

* Extracting DNA from white blood cells and use of restriction...

Nervous System: Synapses and Nervous Control of Muscle

From the National Learning Network Materials' Biology collection, this interactive resource looks at the nervous control of muscles. Animations look at neurotransmitters and the transmission of impulses at synapses and the neuromuscular junction. Muscle fibre motor units and the control of muscle contraction is...

Nervous System: Action Potentials

From the National Learning Network Materials' Biology collection. This interactive resource shows how nerve signals, or action potentials, are transmitted along a nerve cell. Students see the cell's resting potential and how an action potential is generated and propogated along a nerve cell. The files to...

Enzyme Action

This unit of learning material, from the National Learning Network Materials' Biology collection, explains enzymes and enzyme action. Animations illustrate the lock and key model of enzyme action. Students see how temperature and pH influence the enzyme's active site and therefore the rate of reaction.   The files...

Physics AS Level - Homework Resource

Hi All! 

MarkIt is a startup that believes in helping students with their mistakes. It was originally started for A-level maths and has successfully worked with over 2,000 students and over 40 schools. We are branching into A-level physics as we believe this is a subject that needs to be made more...

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