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What is the role of the hormone insulin? How does it contribute to diabetes?

Insulin is a hormone released by the pancreas and it helps to control blood glucose levels. In a healthy person, when you have something to eat, the glucose is absorbed and enters your blood stream. In or...

CH
Answered by Ceres H. Biology tutor
2972 Views

Describe and explain the changes in river velocity along its long profile and the channel characteristics associated with these changes.

At it's source a river has high gravitational potential energy (GPE) because of it's height above it's base level (generally the sea or a lake). This GPE translates into high velocity and therefore high e...

CS
Answered by Chris S. Geography tutor
5763 Views

How does Stephens use Christopher’s book to explore Christopher’s feelings and attitudes to life? Write about: • some of Christopher’s feelings and attitudes to life • how Stephens uses the book to explore these feelings and attitudes

There are two ways that the idea of ‘Christopher’s book’ functions. 
Firstly, the writing of the book directly conveys Christopher’s attitudes and feelings towards his life - almost like a diary. It ...

CH
4717 Views

How accurate is it to say that the nature of government under Lenin and Stalin was markedly different?

One of the most important things to do when answering a question like this is explain the links between your factors. You also need to establish criteria by which the question can be judged. You need to s...

Answered by History tutor
10000 Views

A particle is moving in a straight line with simple harmonic motion. The period of the motion is (3pi/5)seconds and the amplitude is 0.4metres. Calculate the maximum speed of the particle.

Question: A particle is moving in a straight line with simple harmonic motion. The period of the motion is (3pi/5)seconds and the amplitude is 0.4 metres. Calculate the maximum speed of the particle. ...

3144 Views

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