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Commentary on Hamlet Act 1 Scene 5 Lines 1-41

What is immediately clear from this extract is Hamlet and his father have, or at least had in the latter’s living years, a close relationship. This is seen by how both characters’ speech contributes to the v...
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Expand and simplify (x − 4)(2x + 3y)^2

following BIDMAS we start with the second expression by squaring it, i.e. (x-4)(2x + 3y)(2x + 3y). It is important we do it in the right order, otherwise we could get a wrong answer. We use the FOIL (First O...
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Answered by Elsie A. • Maths tutor
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How is ATP produced in the light-dependent reaction of photosynthesis?

The production of ATP occurs through the process of photophosphorylation. When light energy hits the chlorophyll molecule, it is absorbed by photosystem I and photosystem II . This raises the energy levels o...
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Answered by Anna L. • Biology tutor
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What is a monopoly?

A monopoly is a market structure where there is one single dominant firm (opposite to perfect competition). Since they dominate the market they are able to set the price because there are no close substitute...
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Answered by Zuzanna S. • Economics tutor
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Describe the process of transcription

Transcription is the process where a segment of DNA is copied into a segment of mRNA. This takes place in the nucleus. First the segment of DNA needs to be unzipped, so an enzyme breaks the hydrogen bonds be...
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Answered by Calum L. • Biology tutor
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