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Why do I need to do a risk assessment?

The risk assessment lets the examiners know how much thought you have put into both the planning and the execution of your project. While the risk assessment doesn't go into the main body of your project, it...
AP
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Describe the events that occur leading to an action potential, and briefly explain why it is described as "all or nothing"?

Across the membrane of a neuron, the membrane potential at rest is approximately -70mV. When a stimulus of some kind is detected by sensory receptors (for example the nociceptors on the skin surface which de...
BA
Answered by Bilaal A. • Biology tutor
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Describe the series of events leading to atherosclerosis.

Atherosclerosis is a cardiovascular disease where fatty, cholesterol filled plaque builds up in the arteries, it is the main contributor to coronary artery disease. These plaques narrow the vessel and obstru...
CM
Answered by Charlotte M. • Biology tutor
7693 Views

When do I use the Imparfait as opposed to the Passé Composé?

Understanding when to use the Imparfait and when to use the Passé Composé can be quite tricky at first. There are however, a couple of guidelines which can help you. Let’s take a look at the Imparfait first....
EK
Answered by Elisabeth K. • French tutor
3201 Views

The line L has equation y=5-2x. Find an equation of the line perpendicular to L, which passes through the point P (3,-1).

The gradient of the line L is -2 so the gradient of the line perpendicular to L will be the negative reciprocal of -2 which is 1/2.The equation of the line perpendicular to L will be y=mx+c where m is the gr...
KN
Answered by Katie N. • Maths tutor
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