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An action potential arrives at the pre synaptic membrane which initiates the opening of Ca2+ channels. The influx of Ca2+ ions will cause vesicles containing neurotransmitters to fuse with the pre-synapti...

The cell cycle is comprised of two distinct phases; Interphase and Mitosis. The cell is typically in interphase of 95% of its life and mitosis/division for the remaining 5%.During interphase the cell's nu...

Since we are told that the line l is perpendicular to the line PQ, we first need to find out the gradient of PQ.
To do this, it is easiest to find out the co-ordinates of points P and Q in terms of...

One of the first things you can do before even trying to start an essay is looking at the marking criteria to see what the marker wants from you and what your essay needs to show. For example, in an AQA m...

Arguably, the primary anthropogenic cause of climate change is the use of fossil fuels, which emit greenhouse gases. These gases can act negatively in the atmosphere by creating a 'blanket Earth' where ra...