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GCSE English Literature essays are often more descriptive and use a more formulaic structure. An A level essay requires you to be more deeply analytical with your text, and there are fewer strict guidelin...

Hydrophobic signalling molecules can pass through the lipid bilayer of the membrane due to both being hydrphobic. Once within the cell, the molecule can bind to a receptor or transcription factor to inhib...

Let’s take a look at an example: Using figure 2, examine how a spit has been formed by physical processes working together. (8 marks). 4 marks are awarded for addressing the command word: Examine. This me...

To get dy/dx from a formula y in terms of x we must differentiate y with respect to x. Generic formula for term differentiation: d/dx(ax^b) = bax^b-1 = times the coefficient by the power and minus the pow...

Before we get started with answering the question, it is generally good practice to write down any formulas and equations you know that will help us work through the solution. So what formula do we know t...