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Describe three differences between a motor neurone and a sensory neurone.

A motor neurone has no or a very short dendron whereas a sensory neurone has a long dendron. A sensory neurone's cell body is found 'in the middle' of the neurone whereas a motor neurone's cell body is found...
JD
Answered by Joshua D. • Biology tutor
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Define the term osmosis.

Osmosis is the net movement of water molecules from an area of high water potential to low water potential, commonly across a partially permeable membrane such as a cell's surface membrane.
JD
Answered by Joshua D. • Biology tutor
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Solve 13-x > 3+4x

13-x-3>4x 10>4x+x 10>5x 2>x x<2
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Answered by Nathan E. • Maths tutor
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Find the solution the the differential equation d^2y/dx^2 + (3/2)dy/dx + y = 22e^(-4x)

We first find the complementary function by guessing y=e^(kx). Substituting this into the equation d^2y/dx^2 + (3/2)dy/dx + y = 0. we find k^2 + (3/2)k + 1 = 0 which factorises into (k+2)(k+1/2). So our comp...
NE
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Solve the following set of simultaneous equations: 3x + 2y = 15 & 9x + 4y = 1

Label your equations 1 and 2. Look to eliminate one of your variables to create a third equation with only one variable. To do this multiply the first equation by 2 to obtain: 6x + 4y =30 *Label as equation ...
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Answered by Chris A. • Maths tutor
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