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One sample of bacteria was grown in a nutrient broth containing light nitrogen (N¹⁴) and one was grown in a broth with heavy nitrogen (N¹⁵). The bacteria took up the nitrogen to make...

Your personal statement should be a concise, enthusiastic and interesting promotion of yourself. It may seem awkward to write about the things in which you excel at first but remember that this is the one...

When a conductors carrying current is placed in a magnetic field, the field exerts a force on the conductor and vice versa. Fleming's left hand rule is a tool that you can use to help work out the relativ...

Think of tumour suppressor genes and oncogenes like the pedals used to operate a car. Oncogenes are mutated forms of proto-oncogenes. Normally, these proto-oncogenes act like the gas pedal, and allow the ...

This involves thinking about a well-known formula (the product rule) in a slightly different way. Looking at the product rule, for two functions u and v, (uv)' = uv' + vu'. We can rewrite this as uv' = (u...