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Some poisons work by interfering with synaptic transmission at a neuromuscular junction. Describe the events at a synapse which lead to an action potential.

Across a membrane, there is a voltage at rest and this is known as the resting potential. This is deermined by the membrane permeability to different ions ie which ion channels are open at rest, and also by ...
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Answered by Leena C. • Biology tutor
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What is the difference between the verbs 'ser' and 'estar'?

The verbs ser and estar both translate as 'to be'. Its important to learn the differences between them. Ser is used to talk about permanent attributes. A useful tool to remember exactly when we need to use s...
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Answered by Louisa H. • Spanish tutor
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"The United Kingdom should adopt a proportional voting system for all national level elections". Discuss

Key points:Define proportional voting system: A voting system whereby representatives are elected in proportion to the share of votes they received.Examples: Single Transferable Vote, Alternative Vote, Mixed...
JV
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Solve x^2 + 10x - 3 = 0

completing the square (x+5) 2 -25 -3 =0 (x+5) 2 -28 = 0 (x+5) 2 = 28 x= ±2√7 -5
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Answered by Isabelle H. • Maths tutor
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How are capillaries adapted for their function within the body?

Capillaries have walls only one endothelial cell thick, meaning their walls are very thin. This makes them well adapted for gas exchange, as substances only have to diffuse over a short distance. Additionall...
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Answered by Leena C. • Biology tutor
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