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This question is asking us to work our way back and find the original number. We can refer to this number as 'x'. If we multiply x by 3 we get 3x. The next step is to subtract 5, so our equation now is 3x-5....

To factorise this equation we want to get 2 brackets. We are looking for 2 numbers which multiply to make -12 and add to make -1. So, let's see some factors of -12: -12 = (-1) x 12; (-2) x 6; (-3) x 4; (-4) ...

First we use the product rule, so we multiply x by the derivative of (x+3) 5 . To find the derivative of (x+3) 5 we use the chain rule. So we have 5(x+3) 4 . So the first part of our product rule calculation...

A change in pressure causes a change in conformation/shape of stretch mediated ion channelsThis causes Na+ channels to flow across the membraneThis causes depolarisation at the Membrane producing our generat...

Mitosis is the a form of cell division in which two genetically identical daughter cells are formed. It occurs to grow new tissue e.g. such as skin Before the cell divides it goes through a growth phase wher...