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Both the imperfect and the perfect tense are used to talk about something that happened in the past. However, the imperfect tense tends to refer to things that happened over a period of time in the past. ...

At school, I was taught MRS VANDERTRAMP, like most GCSE classes. However, whilst on work experience in France, my host family taught me an extremely catchy song (that I sing to this day!), which I find mu...

Structuring an essay can be a very subjective thing, there are always a few basic rules to remember - especially when you're under the time pressures of an exam!

1. Introduction - This is wh...

3x² + 6x - 2 = 0 When we have a polynomial with powers of x up to 2 (a quadratic equation) we can apply the quadratic formula : -b ± root(b²-4ac)/2a where your equation is in the for...

In order to answer your question let's separate replication process into steps.

Step 1: Unwinding of double-stranded DNA

The first step of DNA replication involves bi...