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Voltage gated calcium channels open in response to the action potential reaching the presynaptic knob. Calcium ions diffuse into the celll down their concentration gradient. This results in synaptic vesic...

The subjunctive is associated with doubt so whenever an element of doubt is implied by the statement you are trying to compose eg I do not think/no pienso que triggers the subjunctive because you are doub...

Conclusion: The current American President shows signs of both being imperial and imperilled. Different elements of his incumbency indicate his weak nature; the constraints from Congress and from the cour...

Firstly, you need to consider what democracy means. The most simplistic way of defining democracy is as a system whereby power is 'for the people and by the people'. This means people are able to particip...

There are two ways to prove they intercept (you can choose whichever one you prefer). Say we have two straight lines, for example: r₁ = 3i + 4...