Search over 10,000 free study notes

Scientists have proposed several models of DNA replication but the currently accepted model is called the 'Semi-Conservative' model. The Semi-Conservative model of DNA replication was discovered by two sc...

Firstly, as stated in Item A, the impact of feminism has led to major shift in attitudes towards education. Sue Sharpe showed there had been a massive shift in priorities from the 1950s to the 1990s – gir...

Firstly we must take the 2 out of the bracket, as a binomial expansion must have a coefficent of 1

(2 + x) ⁵  = 2⁵ (1 + 0.5x) ⁵

Then, it is a good idea to qu...

'Simplest surd form' is a clue that quadratic factorising will not work for this question, so we must instead use the quadratic formula. It is always a good idea to quote this as marks are often available...

(ASSISTED WITH DIAGRAMS)

The electrons of a molecule are constantly moving around it in charge clouds, meaning that at any one point in time, the molecule's electrons could be more likely on one si...