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What is the difference between diffusion, osmosis and active transport?

Diffusion and osmosis both involve the movement of particles from a high concentration to a low concentration, down a concentration gradient. The key difference between the two, is that osmosis concerns t...

FN
Answered by Fadheelah N. Biology tutor
2786 Views

You have recently taken part in a French exchange programme and upon your return, you were asked to write about your experiences for your school newspaper.

L'été dernière j'ai passé deux mois dans le sud de la France á une grande ville qui s'appelle Nice. J'ai voyagé en avion, donc le voyage était rapid, mais la personne á côté de moi était trop bruyant donc...

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Answered by Eilidh R. French tutor
1191 Views

Explain the process of synaptic transmission

The process of synaptic transmission is when one neuron communicates with another. An electrical impulse, or action potential, will travel down the axon and reach the end of the neuron (the axon terminal)...

NP
Answered by Nicole P. Psychology tutor
2207 Views

Express cos2x in the form a*cos^2(x) + b and hence show that the integral of cos^2(x) between 0 and pi/2 is equal to pi/a.

Apply the double angle formula to cos2x to yield the requested result.
cos2x = 2cos^2(x) - 1
Spot that the question asks us to prove the value of cos^2(x) when integrated, and that we can move t...

LP
Answered by Louis P. Maths tutor
4562 Views

Outline 2 variables which may impact obedience.

There are a variety of variables that impact obedience. For example, external or situational variables could include the presence of a uniform being worn by the authority figure, this has been shown to in...

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Answered by Nicole P. Psychology tutor
2183 Views

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