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DNA helicase acts to unwind the 2 strands of DNA by breaking the Hydrogen bonds between them. This means that free nucleotide bases can be attracted and bind to the exposed bases.

First, it is key to remember that revision and exam preparation does not have to be reserved for the last few months before the exam. Revision notes work best when they are continuously consolidated throu...

'Qui' and 'que' are both relative pronouns, which we use to replace the subject of a sentence, and hence avoid excessive repetition which might seem unnatural in that sentence. To be able to know when to ...

action potential depolarises the synaptic terminal this activates the voltage gated calcium channels Calcium ions diffuses into the cell down the electrical gradient Calcium ions stimulate the release of ...

Economic liberalism is a species of classical liberalism and provides the basis for neo-classical economic theory whereas social liberalism is a species of modern liberalism and argues that an unregulated...