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When an action potential reaches the synaptic knob of the pre synaptic neurone, this causes calcium ion channels to open. This leads to an influx of calcium ions ( Ca2+) into the synaptic knob. Presence o...

Answer: -3n + 2Explanation: 'n' stands for term number. The 'nth' term is a formula with 'n' in it which enables you to find any term of a sequence. This sequence of numbers changes by the same a...

First, you must look at the question given to you and decide your argument. It is important to be clear through your writing. Your introduction should lay out your key argument clearly, and answer the que...

This is due to the shielding effect. When a group 1 metal reacts with water the reaction proceeds through the formation of an ionic species MOH where M is any group 1 metal. Since the species for...

The key is to realize that displacement, velocity and acceleration all vary sinusoidally, with the graph of each being displaced relative to the preceding one by 90 degrees; thinking about these three gra...