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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.

Firstly, we need to make 'x' the subject of the equation. We do this by 'moving' everything that isn't an x over to the other side of the equation. When we do this, the main thing to remember is that what...