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How should I structure my essays?

Bearing in mind that you will have no more than 30-45 minutes to write an essay, your answer will have to be concise and selective. Answers that score highly are those that directly address the question. Thi...
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Answered by Alice D. History tutor
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How does crossing over occur during meiosis?

Genetic variation is important because it allows natural selection to act on the population. Individuals that inherit advantagous alleles are more likely to survive and successfully reproduce. Crossing over ...
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Answered by Tamara A. Biology tutor
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What makes up a DNA nucleotide?

-A phospate group -A hexose sugar (deoxyribose) -A nitrogenous base (A, G, C or T)
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Answered by Augusta T. Biology tutor
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What are Oxford and Cambridge looking for in a personal statement?

The Oxbridge personal statement style is slightly different from that of other universities, and it is important that you don’t cater your statement towards one university in particular. While it is true tha...
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What factors influence the rate of a reaction?

There are four factors to consider. Tempearture Surface Area Concenration/ Pressure Catalyst These factors all influence the rate of reaction. It is also important to understand how these factor influence th...
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Answered by Alexis A. Chemistry tutor
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