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Describe the process by which an action potential is propagated across a cholinergic synapse

A cholinergic synapse is one which uses acetycholine (ACh) as it's neurotransmitter. When the action potential reaches the synaptic knob at the presynaptic cell it leads to voltage gated Ca2+ch...

DM
Answered by David M. Biology tutor
2918 Views

How should I structure a history essay?

A history essay should contain an introduction, around three sections containing your argument, and a conclusion. The introduction should be brief and should set out a basic answer to the question, and in...

FC
Answered by Flora C. History tutor
2171 Views

FP2 (old specification) - How do you find the derivative of arsinhx?

  1. y = arsinhx We can rearrange this to be 2) sinhy = x, which makes this challenge slightly easier as we know that the derivative of sinhx is coshx and vice versa.Knowing the above we get coshy(dy/dx)...
LM
Answered by Lois M. Maths tutor
6908 Views

Discuss some of the challenges faced by urban areas in the UK as a result of urban change?

The challenges facing urban areas in the UK can broadly be categorised into two types, socio-economic and environmental challenges. The socio-economic challenges are those which impact the people in the a...

AR
Answered by Amie R. Geography tutor
2716 Views

The epithelial cells in the lungs are arranged into alveoli. Explain how the alveoli create a surface for efficient gaseous exchange.

Alveoli are made of two main types of cells. The alveoli walls are made of a single layer of squamous alveolar cells (aka Type I cells), which are flat and thin, further ...

YM
Answered by Yasamin M. Biology tutor
4540 Views

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