Top answers


What is an enzyme?

An enzyme is a catalyst / which speeds up a reaction. It's a protein and/or it's specific (due to its active site)
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Answered by Precious E. • Biology tutor
3364 Views

What was the reason behind Stalin's rise to power?

There are many reasons behind Stalin's rise to power. After the death of Vladimir Lenin in 1924, there was a power vacuum created with in the Communist Party. Many people believed that the natural heir to th...
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Answered by Lee S. • History tutor
5654 Views

How do I find the angle between a vector and a plane in cartesian form?

First of all, you should find the angle between the vector and the normal of the plane using the rule cosX= a . b /mod a mod b . The normal can be found easily from the cartesian equation of the plane. For e...
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Answered by Esme S. • Maths tutor
4682 Views

How many quotations should I be using in my essays?

When you write an essay, you only need to use quotations which are necessary - there is no point in filling out an essay with quotations that don't do anything. Everything within the essay needs to be releva...
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Answered by Lou W. • English tutor
5235 Views

How do we work out the asymptotes of the graph y=1/x -5

In most core 1 papers this kind of question is usually asked. First of all an asymptote is a line that is close to an axis but never touches it. Now look at the graph as a normal reciprocal graph of y=1/x th...
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Answered by Aniqah B. • Maths tutor
9807 Views