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Outline the lock and key mechanism of enzyme-controlled reactions

Enzymes are proteins that catalyse specific biological reactions in the body. These proteins have a specific 3D structure known as a teritary structure, with a specialised domain known as an 'active site' th...
MJ
Answered by Michael J. • Biology tutor
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How do I analyse a source?

In order to understand a source and write the best possible answer, there are seven easy steps to take: 1. What does the source say? We need to briefly look at the source to understand what it is. For exampl...
AP
Answered by Alexandra P. • History tutor
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What is the difference between Areobic and Anaerobic Respriation

Areobic Respiration requires oxygen to release energy, producing water and carbondioxide as waste products according to equation belowC6H1206 + 6O2 = 6CO2 + 6H20Areobic respriation occurs in the mitochondria...
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Answered by Victoria E. • Biology tutor
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What's the difference between the mean, median and mode?

The mean, median and mode are three types of averages which you will be asked about in your GCSE maths exam. The best way to learn maths is by by doing it or at least running through examples. E.g. Given the...
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Answered by Thomas K. • Maths tutor
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How do I factorise a quadratic equation?

Firstly , make sure you agree that a quadratic equation is an equation of the form y = ax 2 + bx + c where a , b , c are (real) constants ( a is not 0), and x is the variable. (Note: the equation has an &quo...
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Answered by Gemma L. • Maths tutor
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