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Describe the series of events from the arrival of an action potential at the pre-synaptic membrane of a cholinergic synapse to the generation of a new action potential at the post synaptic membrane?

An action potential arriving at the pre-synaptic membrane stimulates voltage-gated calcium channels to open and calcium ions diffuse into the neuron through these calcium channe...

10801 Views

The distance from the Earth to the Sun is 93 million miles. Assume: it takes 365 days for the Earth to travel once around the Sun and the Earth travels in a circle with the Sun at the centre. Work out the average speed of the Earth in miles per hour.

This question is testing your understanding of speed, distance and time and sounds much more complicated than it actually is. For a question like this one, it is best to draw a picture to help you get a b...

Answered by Jack H. • Maths tutor

19551 Views

The question consists in translating the texts from French to English

Pour des milliers de gens les déchets furnissent le seul moyen de subsister. Jamel vit dans un bidonville au pieds d'une énorme décharge à Mumbai. Sur cette montagne d'ordures il passe ses journées à foui...

Answered by Marie B. • French tutor

1902 Views

The question consists in translating the text from spanish to english

El sitio web Docayud une clinicas africanas con unos quinietos cirujanos voluntarios espanoles. Médicos africanos pueden colgar el historial de un paciente enfermo en la Red para que los expertos...

Answered by Marie B. • Spanish tutor

2100 Views

Perhaps an introduction to integration with a simple integral, e.g. the integral of x^2

I would first write out the integral with correct notation, explaining to my tutee exactly what I am drawing and why. I will then explain the 'n+1' rule for integrating simple powers. I will go through th...

Answered by Reece C. • Maths tutor

3046 Views