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What are enzymes and how do they work?

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 fo...
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Answered by Tom D. • Biology tutor
3052 Views

Describe how Hitler reduced unemployment in Germany.

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 Ser...
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Answered by Emma H. • History tutor
3530 Views

chance following sentences in "passe compose"

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.
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Answered by Eva V. • French tutor
1550 Views

How does the author make this passage particularly dramatic?

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 first ...
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Answered by Douglas L. • Latin tutor
3038 Views

Solve x^2 + x - 2 = 0

(x+2)(x-1)=0 x+2=0x= -2x-1=0x=1
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Answered by Emily W. • Maths tutor
3507 Views