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How does a nerve transmit impulses?

At rest a nerve cell or fiber has more sodium (NA+) ions in the extracellular fluid and more potassium (K+) ions in the intracellular fluid. There are both NA+ and K+ ion channels in the membrane of the nerv...
KW
Answered by Kay W. Biology tutor
3436 Views

Experimentally, how would you calculate the Young's modulus of a material?

Young's modulus = stress/strain. Stress = F/A Strain= e/l. Measure the length of a wire between 2 points, placing a marker at each. Also measure the diameter to calculate the cross sectional area of the wire...
BL
Answered by Ben L. Physics tutor
2697 Views

When should you use the subjunctive?

To try and tackle this, my teacher taught me to use the acronym WEDDING: WISHES - using verbs such as souhaiter que or préférer que to show wishes of one person for another person. EMOTIONS - an expression o...
LP
Answered by Louis P. French tutor
6570 Views

How should I structure an essay?

First, you need to give a brief introduction proving you understand the question and outlining your points and your argument. Each paragraph should then be a point of your argument, where you state your poin...
TD
3125 Views

My teacher says the content of my essay is good but my structure needs work. How should I structure a paragraph?

To structure paragraphs, it's useful to use the T.E.A.S. method. T for thesis, E for evidence, A for analysis and S for summary. A thesis is like a 'signpost' for the marker, it tells them what the paragraph...
JW
Answered by Jemimah W. English tutor
2824 Views