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Enzymes are what are called 'biological catalysts;' that means they speed up how fast a reaction takes but they are unchanged by the reaction themselves. They work by lowering the activation energy needed...

The best way to answer a 'describe' question is to give three factors and explain them briefly. These questions are worth 5 marks each. So, three factors you could describe are:Use of the National Labour ...

Elle achète une jupe.Elle a acheté une jupe. Il me donne un stylo.Il m'a donné un stylo.Les garcons mangent du chocolat.Les garcons ont mangé du chocolat.

Firstly, it is very important to understand what is going on in the passage - this is the basis from which you can find your points. Once you understand how the Latin in the passage fits together, the fir...

(x+2)(x-1)=0 x+2=0x= -2x-1=0x=1