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The transmission of an action potential- the signal- from one neurone to another occurs over the synapse. The structure of a synapse is as follows; there is a presynaptic bulb, a post synaptic bulb and th...

Muscle contraction can be explained using the 'Sliding Filament Hypothesis'. Following nervous stimulation, a nerve impulse will be transmitted to a neuromuscular junction. This will cause a release of th...

Invasive species can cause negative effects on biodiversity through out-competing native species, becoming a voracious top predator and killing most of the native animals/fauna (especially since if there ...

1. The polymerase chain reaction (PCR) is a process to 'amplify' DNA to provide sufficient quantities for further analysis.

PCR involves repeated cycles of heating and cooling of the reac...

A: When we exercise the tissues of our body have an increased requirement for oxygen. The body facilitates this by increasing the respiratory and heart rate, thereby increasing the rate of gas exchange in...