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Diffusion is the passive (does not require energy input) movement of a substance down a concentration gradient from an area of high concentration to an a...
Ar of Cu = 64 (1 mark) Percentage of copper in CuO = 64/80 x100 (1 Mark) Percentage of copper in CuO = 80% (1 mark)
The role of a sperm cell is to fertilise an egg cell and pass on genetic material. The nucleus of the sperm cell contains the male genetic material/DNA. The head of the sperm cell contains many mitochondr...
Before even getting to the question, have a read through of the extract to make sure you fully understand what is happening at this point in the text. Then look at the question and highlight the key theme...
The equation of a line is written in the form y=mx+c where m is the gradient of the line and c is the y-intercept. These are the two values that we will need to calculate.For example, lets take the two p...
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