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How does an electrical impulse travel from one neuron to the next (IB-SL 6.5)?

The arrival of an action potential at the synaptic knob opens calcium ion channels in the pre-synaptic membrane and Ca++ flow in from the synaptic cleft 2. Ca++ cause vesicles of neurotransmitters to fuse wi...
AK
Answered by Adam K. • Biology tutor
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explain the eigenvalue problem

The eigenvalue problem is how we can find non-trivial solutions where x does not equal zero to the matrix equation;AX=LX (L=lambda)Values of the scalar L for which non-trivial solutions exist are called eige...
KD
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How would you write an essay about the use of different cinematic techniques in La Haine?

Writing a French a level essay is difficult because it tests both your knowledge of the set film or book (films are especially difficult as most students have never studied them before) and your ability to e...
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Answered by Gabriel J. • French tutor
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How do I expand (x - 4)(2x + 3y)^2 ?

To start off, to make things clearer we can write the expression as:(x - 4)(2x + 3y)(2x + 3y)Now focus on just two of the brackets, say (2x + 3y)(2x + 3y). To expand this, we need to do the following four mu...
HM
Answered by Hector M. • Maths tutor
6652 Views

What are features should I look out for when analyzing non-fiction or non-literary texts?

When you are presented with non-fiction material, the first thing to identify is the mode of the text. Is it a magazine article? Is it a script for a radio advert? Is it a personal blog post? All of these ty...
SS
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