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Outline the process that occurs when an action potential arrives at a presynaptic neuron for the transmission to the postsynaptic neuron.

An action potential arrives at the presynaptic membrane of the pre-synaptic neuron causing the calcium ion channels to open. This opening causes vesicles filled with neurotransmitter to fuse with the pre-syn...
AB
Answered by Amy B. • Biology tutor
5707 Views

What is the difference between the use of SER and ESTAR?

· Ser is used in a simple way, to talk about WHAT something is (permanent state). To describe characteristics that are an essential part of the thing we’re talking about. · Estar is used to talk about HOW so...
EA
Answered by Elizabeth A. • Spanish tutor
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Solve the inequality |x - 2sqrt(2)| > |x - 4sqrt(2)|.

This problem can be solved by squaring both sides of the inequality, as this removes the modulus from the problem. Modulus or | | means that a term can take positive and negative values, which could also be ...
JA
Answered by Jade A. • Maths tutor
3685 Views

What is the difference between current and voltage?

The current is the number of electrons flowing through the wire per second. The voltage however, is the amount of energy each individual electron is carrying as it moves through the wire.
JA
Answered by Jaafar A. • Physics tutor
2524 Views

How find the values of x when x^2+8x+16=0?

We can find the values of x for this equation in several ways, we can either use the quadratic formula, complete the square, or see if the equation will factorise. For x^2+8x+16, we will first see whether we...
ES
Answered by Edward S. • Maths tutor
8176 Views