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What is transcription?

Transcription is the process of making DNA into mRNA. DNA first has to be transcribed into messenger RNA (mRNA), this mRNA can then be translated into a protein (amino acids). DNA Polymerase (an enzyme) bind...
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Answered by Nadine K. • Biology tutor
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What is the structure of DNA?

DNA is made up of two long chain backbones, bound together and forming a double helix shape. These backbones are made up of repeating units, each of which have the following structure: A pentose sugar with a...
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Answered by Natalie H. • Biology tutor
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Evaluate policies which a UK government could use to control the activities of oligopolists.

For this answer, like with any other essay question, I encourage my students to draft an essay plan prior to writing. By doing so, my students show me their strengths and weaknesses which allows me to tutor ...
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Answered by Daniel M. • Economics tutor
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How can two brown-eyed parents produce a blue-eyed offspring?

If both parents are heterozygous (xX) and the blue allele (x) is recessive to the dominant brown allele (X), the offpring has a 1/4 chance of getting homozygous recessive alleles (xx). If one or more of the ...
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Answered by Jeffrey D. • Biology tutor
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How Far is Odysseus Responsible for the Suffering of his Men?

This essay question comes from OCR's Classical Civilisation A-Level Paper "Homer's Odyssey and Society" 2014. In the exam you need to spend about 45 minutes answering this question. I would advocat...
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