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What is acetylcholine?

Acetylcholine is a neurotransmitter used by cholergenic neurones.Neurotransmitters are chemicals used as a signalling molecule across a synapse.Acetylcholine will be released from the presynaptic bulb from v...
AM
Answered by Abby-Lee M. • Biology tutor
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Can you explain ultrafiltration to me?

Ultrafiltration is the filtering of blood at the 69000 rmm molecular level. It occurs between the glomerulus and the bowman's capsule in the nephron of the kidney.There are three layers to the filtration;The...
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Answered by Abby-Lee M. • Biology tutor
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Qué sabes tu de las causas del desempleo entre los jovenes del mundo hispano?

Hay que admitir que la tasa de paro entre los jovenes en Espana es extremadamente alta en comparación de los países del resto de Europa y la edad media para quitar el nido alcanza casí 30 anos. Lo que explic...
CT
Answered by Chris T. • Spanish tutor
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Find the gradient of the equation y=e^2x.ln(4x^2) when x=5.

>First know that you must differentiate to find the gradient. To differentiate this function you must use the product rule which is:>d/dx(f(x)g(x))=f(x)g'(x)+f'(x)g(x)>Now apply this rule to the for...
AS
Answered by Akshina S. • Maths tutor
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Explain the approach to proving the existence of God taken by Anselm’s ontological argument.

Anselm's Ontological argument, ontological meaning concerned with being or existence, makes an argument for the existence of God based not on a posteriori reasoning like other arguments for the existence of ...
DS
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