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Three forms of the cosmological argument: from motion; from causation; form contingency. First two respectively run as follows: (1) everything we observe in the world is moving/has a cause; (2) nothing c...

Sub y=x^2 - 5x + 4 into x+2y=19x+2(x^2 -5x + 4) = 19x + 2x^2 -10x + 8 =192x^2 - 9x -11 = 0 (2x -11)(x+1) = 0x= 5.5x=-1

From this we can see that equation has 2 parts therefore we should look to using the product rule which is used to differiantiate a two functions multiplied together so (fg)'=f'g+fg'. In this question the...

The binding curve of haemoglobin to its substrate is sigmoidal ('s' -shaped). Haemoglobin has four subunits, each of which will bind one molecule of oxygen. The reason for the sigmoidal shape is the proce...

Firstly, red blood cells contain the globular protein haemoglobin which is able to bind reversibly with oxygen. This means red blood cells can take up and then release oxygen as they transport it around t...