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How does cholinergis transmission occur at a neuromuscular junction?

The presynaptic terminal is invaded by an action potential whihc causes an influx of calcium ions. The calcium ions then cause the vesicles cointaining acetylcholine to fuse with the presynaptic membrane and...
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Answered by Alex M. • Biology tutor
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Explain how rising interest rates affect consumption

Rising interest rates in the economy means that individuals are less likely to spend and so consumptions falls.This is because interest rates act as a reward to individuals for savings therefore a higher int...
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Answered by Daidria P. • Economics tutor
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How to predict the bond angle and shape of a molecule of NH3

An atom of nitrogen has 5 valence electrons in its outer shell. Each hydrogen atom in ammonia bonds to the central nitrogen atom and contributes an electron each. This means there are 8 electrons in total on...
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Answered by Daidria P. • Chemistry tutor
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Why does a higher temperature means the rate of reaction is faster?

As you increase the temperature of a system, the particles gain more kinetic energy and move about more. This means that particles are likely to collide more frequently. These collisions are also likely to h...
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Answered by Daidria P. • Chemistry tutor
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How do I find the stationary points of a curve?

To find the stationary points of a curve y, you should first find the differential of the curve(dy/dx).Once you have an equation for dy/dx, you should solve it for when dy/dx is equal to zero. This gives you...
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Answered by Daidria P. • Maths tutor
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