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What is a mutation and how do they affect proteins?

A mutation is a change in the sequence of DNA bases in the genetic code of an organism. They're actually very common, and cause variation in a species. They are random changes, and can sometimes be inherited...
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Answered by Lois F. • Biology tutor
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[In the following extract, I.vii 36 - 59] How does Lady Macbeth use language to manipulate her husband?

In the play, Lady Macbeth is a huge catalyst for Macbeth’s downfall and subsequent evil actions. Her powerful use of persuasive language reveals her as an ambitious character who is motivated by aspirations ...
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Answered by Hope C. • English tutor
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EXPLORE ONE LIVE PERFORMANCE YOU HAVE SEEN, FOCUSSING ON THE PEFORMERS USE OF PHYSICALITY TO COMMUNICATE INTENTION

(this would usually be an hour long essay question therefore for these purposes I shall focus on 2 points rather than the 5 I would usually recommend students to write using the VSPFG (voice, space, posture,...
Answered by • Drama tutor
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Simplify 3 × a × 3 × a

The question asks you to simplify an expression, this means we need to write it with as few symbols and numbers as we can.Multiplication is commutative, this means that it doesn't matter which order we do th...
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Answered by Rob G. • Maths tutor
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Simplify 7 × e × f × 8

Always do the numbers first before dealing with the letters. We move the numbers to one side , and the letters to the other. (7 x 8) x e x f -> I have enclosed the numbers in brackets in order to separate...
Answered by • Maths tutor
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