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What is Diminished Responsibility and Loss of Control?

Diminished Responsibility and Loss of Control are both partial defences to murder (sometimes referred to as voluntary manslaughter). Diminished Responsibility is codified under S.52 of the Coroners and Justi...
AS
Answered by Amber S. • Law tutor
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What is an optical isomer?

An optical isomer is when a molecule has a 'non-superimposable mirror image'. This means that if you draw out its reflection, it is not the same as the original. A good example in daily life would be feet - ...
PS
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How are the alveoli adapted for gas exchange?

The alveoli are covered by a rich blood supply of capillaries- this provides a diffusion gradient for oxygen to move into the blood and carbon dioxide to move into the lungs.The alveoli are also highly folde...
FL
Answered by Fergus L. • Biology tutor
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Ella has just finished running a half marathon. She hasn't been drinking enough water so is dehydrated and is feeling incredibly hot. Describe how her body responds to these changes. (6)

She is dehydrated so osmoreceptors in the hypothalamus shrink, this causes ADH to be secreted by the pituitary gland. The ADH travels in the blood stream and acts on the collecting ducts of the kidney nephro...
NH
Answered by Natasha H. • Biology tutor
3268 Views

Edexcel 2017, Q8) A square, with sides of length x cm, is inside a circle. Each vertex of the square is on the circumference of the circle. The area of the circle is 49cm. Work out x.

First we should draw what the question tells us. Draws circle with square inside it We want to find out some extra information about the circle based on what we have been told. How can we do this?Well we kno...
AB
Answered by Alex B. • Maths tutor
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