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A Level

How do I prepare for the oral exam?

The oral exam consists of two parts : the first is a project that you have to prepare in advance, and the second is a separate conversation with your examiner about a topic that is relevant today. For the...

LB
Answered by Luc B. French tutor
1383 Views

Explain the approach to proving the existence of God taken by Anselm’s ontological argument.

begin with an introduction, present arguments and then conclude. arguments :it is logical deductive a priori it is an ontological argument because it relates to the nature of being Anselm defines God as ‘...

AA
1403 Views

If DNA inside a cell is damaged, a protein called p53 halts the cell cycle. With this in mind, explain how a p53 gene mutation could cause cancer to develop.

Cancer cells have damaged or mutated DNA. If p53 was functioning, it would stop the cell cycle and ensure damaged cells did not multiply. However, if the gene coding for p53 is faulty, cell division would...

IM
Answered by Isabelle M. Biology tutor
7794 Views

Integrate y=(x^2)cos(x) with respect to x.

This problem must be solved using integration by parts, since y is equal to the product of two functions of x. Let u=x^2, therefore u'=2x (u'=du/dx). Let v'=cos(x), therefore v=sin(x) (v'=dv/dx).Using the...

AH
Answered by Antony H. Maths tutor
3380 Views

The enthalpy change for the forward reaction is -92kJ/mol. State and explain how the value of Kp would change if the temperature was increased.

The value of Kp would decrease.Using Le Chatelier's principle the position of equilibrium would shift so as to oppose the change.The endothermic (backward) reaction would therefore be favoured in order to...

FM
Answered by Fin M. Chemistry tutor
3715 Views

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