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Each neuron does not directly end on another neuron, there is a small gap between two neurons called a synapse. In order for an impulse to be generated in the next neuron, a chemical transmitter is relea...

Metal complexes are kept together by a 'sea' of free electrons holding the negatively charged metal ions togetherCOMPARED TOIonic - positive ions and negative ions held together in a complex by electrosta...

The presynaptic terminal is invaded by an action potential whihc causes an influx of calcium ions. The calcium ions then cause the vesicles cointaining acetylcholine to fuse with the presynaptic membrane ...

Rising interest rates in the economy means that individuals are less likely to spend and so consumptions falls.This is because interest rates act as a reward to individuals for savings therefore a higher ...

As you increase the temperature of a system, the particles gain more kinetic energy and move about more. This means that particles are likely to collide more frequently. These collisions are also likely t...