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Larkin and Duffy present time as something that certainly ‘gives’ and ‘takes away’, but the question of cruelty and compassion involves a notion of intention on the part of time. While time is inanimate, ...

5' and 3' ends describes the directionality of the DNA molecule. Essentially, the strand of a DNA molecule can have a 5' end and a 3' end. To understand what a 5' or 3' end is, we need to look at the mole...

The first step is to assess whether there are any plus or minus signs anywhere within the fraction. If not: separate the denominator into brackets, for instance if the denominator contained 2x you would s...

For a chemical reaction to occur the reactant particles must collide with each other with the correct orientation and they must also have a minimum energy necessary for the molecules to successfully react...

The answer is a proof so is best shown during the interview via the whiteboard. For reference this question was in the news a few years ago and was considered difficult for GCSE students at the time.