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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...

• When the action potential reaches the pre-synaptic knob, voltage gated Ca²⁺ channels open which allows Ca²⁺ into the pre-synaptic knob - This causes vesicles which contain neur...