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Why do enzymes stop working at high temperatures?

With this question, you have to remember that enzymes are proteins. When the temperature gets too hot, the enzyme denatures . Denaturing is where the bonds that hold the enzyme together break, causing the ac...
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Answered by Callum R. • Biology tutor
12073 Views

What do you think Eva Smith's character represents within the social context of the play?

Eva Smith's relationship to all of the characters at the dinner party was one in which they were forced to admit a large element of guilt. None of the family memebers treated her with respect, and all of the...
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Answered by Esther T. • English tutor
4013 Views

ABC is an acute-angled triangle. BA=7cm and BC=8cm. The area of triangle ABC is 18 cm^2 . Work out the size of angle BAC. Give your answer correct to 3 significant figures. You must show all your working.

Draw the triangle ABC and fill in the information given i.e. lengths of BA and BC and identify the angle we are looking for i.e angle BAC Looking at the formulas given identify which one we can use. We have ...
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Answered by Anna M. • Maths tutor
12603 Views

How shall I plan my revision? There's so much to learn!

It can seem daunting when you have got a lot of case studies to revise for your GCSE exams, but the best way to manage it is to break it down. We'll split it into (1) structured content revision and (2) thor...
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Answered by Helen T. • Geography tutor
2838 Views

What is the difference between LCM and HCF?

LCM stands for Lowest Common Multiple , and HCF stands for Highest Common Factor . The key to telling the difference between these two things is knowing the difference between a multiple and a factor . A mul...
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Answered by Joe C. • Maths tutor
123547 Views