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Describe the function of Anti-diuretic Hormone in the maintenance of a constant volume of water in the body.

Anti-diuretic Hormone (ADH) is secreted from the hypothalamus in the brain. If more ADH is produced, it makes the collecting ducts in the nephron of the kidneys, more permeable to water. Therefore, less wate...
VH
Answered by Vinaya H. • Biology tutor
3788 Views

What is an ionic bond? Give an example of one.

An ionic bond is the transfer of electrons from one atom to another to obtain a stable outer shell. This only happens between a metal and a non metal. For example, magnesium would transfer 2 electrons to an ...
KC
Answered by Kenny C. • Chemistry tutor
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How would you approach the analysis of a primary source

I would first read or look at the source on a basis of content, without the question in mind, to make sure I understood what it was I was looking at or what was being said. Then I would revisit the source an...
SR
Answered by Sam R. • History tutor
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The equation of the line L1 is y = 3x – 2. The equation of the line L2 is 3y – 9x + 5 = 0. Show that these two lines are parallel.

To begin with,for every line ax+by+c=0 the gradient is m=(-a)/b.From theory, it is known that two lines are parallel only if their gradients are equal. For line 1: y=3x-2, it implies that 3x-y-2=0(we just su...
AI
Answered by Anca I. • Maths tutor
5081 Views

How do you factorise a quadratic equation?

By looking at the equation you see it is made up of three components. The way to factorise it is to multiply the integer or constant at the end by the coefficient of the x 2 term, the number before the x 2 ....
SK
Answered by Sidhi K. • Maths tutor
3600 Views