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Describe how an action potential is transmitted down the axon of a myelinated neurone

Depolarisation of the membrane in a myelinated neurone occurs in gaps between the schwann cells of the myelin sheath known as nodes of Ranvier. During depolarisation of the membrane at a node there is an ...

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Answered by Angus N. Biology tutor
13224 Views

Discuss the endocrine and exocrine functions of the pancreas.

The pancreas is located in the central abdomen and is responsible for a variety of endocrine and exocrine functions. 

Its endocrine (into blood) functions include the release of insulin (to control...

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Answered by Luke H. Biology tutor
5518 Views

How do meanders and ox-bow lakes form?

In the lower course of the river, meanders (bends in the river) form when water is moving faster on one side of the channel than the other. The greater energy of the faster moving water causes lateral (ho...

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Answered by Isabel S. Geography tutor
14381 Views

How would blood glucose levels be lowered upon becoming too high?

The high concentration of glucose in the blood is detected by the pancreas. Beta cells in the pancreas secrete insulin and the alpha cells cease production of glucagon. The insulin binds to specific recep...

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Answered by Emily E. Biology tutor
2685 Views

What sort of things besides grades are they looking for?

Medicine, or any other profession within the medical field, is beyond the academics. Yes, you need to be academically driven and show high academic capabilities but what differentiates one candidate from ...

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1739 Views

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