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Describe the structure of DNA

Deoxyribonucleic acid (DNA) is the hereditary material in almost all organisms and is responsible for carrying out genetic instructions in the cell. DNA is a polymer of nucleotides and each nucleotide has 3 ...
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Answered by Joe P. • Biology tutor
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What are merit goods and why do they represent an example of market failure?

Merit goods are products and services which have positive externalities and thus have a positive impact on society. For example, fruits and vegetables which not only have a private benefit to the consumer bu...
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Answered by Alice R. • Economics tutor
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How to integrate and differentiate ((3/x^2)+4x^5+3)

An easy way to integrade and differentiate simple equations is by bringing up all the denominators, in this case rewrite 3/x^2 into 3x^-2. Thus it will be easier to manipulate the powers. For Integration we ...
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Answered by Andreas G. • Maths tutor
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With reference to the diagram above, describe and comment on the precipitation in the urban environment (7 marks).

From the figure, the effect of the urban hear island on precipitation is demonstrated as the temperature is highest in the centre and most built up areas, at a peak of approximately 3.5⁰C compared to the coo...
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Answered by Julia D. • Geography tutor
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To what extent is training the most important factor when trying to improve labour productivity?

Training is one of the most important factors as it helps them to develop better skills Allowing the workers to work more efficiently, increasing their labour output per worker which shows a rise in labour p...
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