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When using the past tense, you usually have to choose between passé composé and imparfait. Imparfait is often used for continuous, or habitual actions that have happened but could still be happening. Tous...

When analysing a play, you will need to think slightly differently to when you analyse a poem or piece of prose text. Though the textual analysis remains important, there are additional characteristics to...

The plasma membrane is organised into what is referred to as a lipid bilayer, consisting primarily of phospholipids and proteins. Phospholipids contain a hydrophobic (water hating) fatty acid 'tail' and a...

The detente showed an improvement in relations between USA and USSR, as Brezhnev and Nixon were eager to form alliances. Although the economic realities were a big factor in pushing both countries towards...

This equation rearranges to give -y=(x+3)^2-4, which is very similar to our curve y=(x+3)^2-4 from before. In fact, replacing y with -y in an equation is equivalent to reflecting the curve through the x-a...