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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...

BA
Answered by Bilaal A. Biology tutor
4080 Views

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 obs...

CM
Answered by Charlotte M. Biology tutor
7034 Views

Explain the philosophical problem of evil

In an essay question, you will most likely be asked to provide a very brief description of this problem, before going on to explain solutions that have been offered to the problem by various philosophers....

BL
2739 Views

Where do I even begin with a Personal Statement?

The best advice I have received about writing a personal statement is to see it as your story, a description of your personal evolution which has led you to this decision/choice of university/ degree/job ...

EK
2465 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 fir...

EK
Answered by Elisabeth K. French tutor
2798 Views

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