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Describe how negative feedback is used to control blood glucose concentration (6 marks)

Throughout your answer to this question make sure that you are cramming as much key language into it as possible! Phrases like 'islets of Langerhans', 'beta/alpha cells', and 'transporter proteins' will all ...
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Answered by Matt H. Biology tutor
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How can you be original in a Personal Statement?

Universities read through thousands of personal statements every year, and because of this and restrictiong in length, it does become quite difficult ot be original. However, it is not impossible. Originalit...
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How is it possible to include so much information in such a short essay?

Precision and simplicity are what GCSE exam boards are looking for. You only have to look at the mark schemes to realise that it is very much a checking systen - there are specific points which the examiner ...
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Answered by Cecilia M. History tutor
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What is the cardiac cycle?

The cardiac cycle is what happens during a single heartbeat. To understand the cycle it helps to know that the heart is made up of four chambers, the top 2 chambers are called the atria and the lower 2 chamb...
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Answered by Megan P. Biology tutor
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What was ‘Manifest Destiny’?

'Manifest Destiny' was the American ideology of the 18th century that held the belief that Amricans were destined to settle and claim the land to the west as part of American expansionism. It was the idea th...
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Answered by Danielle S. History tutor
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