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Neurons do not make direct contact but are separated by synapses. Impulses cross a synapse by means of a neurotransmitter. Describe the process of neurotransmitter release at a synapse. You may use a labelled diagram.

  1. Action potential arrives at axon terminal of presynaptic neuron

  2. Voltage-gated Ca2+ channel opens

  3. ...
CM
Answered by Charlotte M. Biology tutor
2531 Views

How is ATP used in myofibril contraction?

ATP is bound to the myosin head to cause detachment of the head from the actin filament, the ATP is then hydrolysed and as a result the myosin head reattaches to the actin filament. The now hydrolysed ATP...

SW
Answered by Sam W. Biology tutor
2472 Views

What are docstrings and how do I use them to improve my code readability?

Docstrings are strings placed at the beginning of classes, functions, or .py files. They are implemented using three single quotes at the beginning and end. For example:

def Addition(a,b):

'...

CW
Answered by Callum W. Python tutor
1753 Views

Faut-il légaliser le cannabis? Quels sont les avantages et les inconvénients?

Premièrement, il faut qu'on commence en dirant que les drogues ont toujours fait partié de la societé, et qu'elles ne vont pas disparaître dans un avenir très proche. Je crois que beaucoup de gens fument ...

TB
Answered by Tom B. French tutor
2575 Views

theta = arctan(5x/2). Using implicit differentiation, find d theta/dx.

First, we must rearrange to give 2tan(θ) = 5x. Differentiate both sides with respect to x: 2sec2(θ)dθ/dx = 5 Use identity sin2(θ) + cos2(θ) = 1, dividing through by cos

CW
Answered by Callum W. Maths tutor
3952 Views

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