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Describe and explain how an action potential is generated (6 marks)

The membrane is at resting potential, -60mV inside compared to outside. It is polarised. 2. Na+ ion channels open and some Na+ ions diffuse into the neurone. 3. The membrane
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Answered by Rokshan E. • Biology tutor
10631 Views

Use implicit differentiation to find dy/dx of: 2(x^2)y + 2x + 4y - cos((pi)y) = 17

Tackle this problem one part at a time: First differentiate 2x²y using the product rule, showing dy/dx(2x²y) = 4xy + 2x²(dy/dx). After this, the remainder of the question ...

Answered by Nick E. • Maths tutor

5448 Views

What is the difference between EMF and Voltage?

EMF stands for the Electromotive Force and it can be defined in a few ways:

1. It's the potential across the terminal ends of a cell.

2. Or...

Answered by Francisco G. • Physics tutor

1825 Views

Solve x^2+2x-4, leaving your answer in the simplist surd form. (4marks)

Simplist surd form means use Quadratic equation

Write out Quadratic equation

Write out value of a, b and c

Fit these values into equation
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Answered by Desnie R. • Maths tutor
2976 Views

What is pathetic fallacy?

Pathetic fallacy is a literary technique in which human emotions are personified in inanimate objects, typically in weather. For example in a section of Macbeth it is a particularly stormy night, the thun...

Answered by Hannah P. • English Literature tutor

6456 Views