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The list is endless when it comes to what you can say about poetry, however for the purposes of an exam, it is often helpful to have a mental checklist of key concepts to look out for. 

Cell wall:

Only present in plant cells, it provides structure and is completely permeable to biological molecules.

Cell membrane:

Much thinner than cell wall and is p...

It can often be difficult when answering an essay question to clearly phrase your answer without losing sight of your main point and waffling. An incredibly helpful way of improving your writing style...

Dominant alleles need the presence of only one copy to ach...

The Product Rule is used when differentiating two functions that are bei...