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Alleles are different forms of the same gene which are located on the same part of the chromosome. Genes are made up of information needed to produce different proteins, so alleles carry information to produ...

Working in timed conditions in a stressful environment can often mean that students forget the importance of developing a unique and individual response to exam questions. Yet for those seeking to achieve th...

After having read the text at least a couple of times to familiarise yourself with it, divide it into sections and examine how it is built. Firstly, look at where the introductory, core and closing arguments...

(Equation 1) 5x + 2y = 20 (Equation 2) x + 4y= 13 As we know the values for x and y are the same in both equations, we can use them to find out the values for both, In order to do this we need to take one eq...

Leaching from the excessive use of fertilisers causes a nutrient build up in neighbouring rivers or lakes. As a result of the increased nutrients plants within the lake or river grow rapidly, including algae...