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Describe the structure of DNA and its importance.

DNA stands for deoxyribose nucleic acid, and essentially carries the genetic instructions for functioning, development, and reproduction. It is stored in the nucleus, within chromosomes which are thread-like...
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Answered by Keshana K. • Biology tutor
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What are "supercurricular activities" and how can I use them in my personal statement?

Your personal statement needs to be carefully crafted to show off all your achievements and how they demonstrate intelligence and passion for your subject. There is a lot of emphasis placed on "supercur...
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„Ein Urlaub muss nicht teuer sein. Es gibt viele Möglichkeiten billig zu reisen.“ Was ist deine Meinung dazu?

Es kommt darauf an, was für einen Urlaub man gern machen würde. Zum Beispiel, Leute, die regelmäßig in 4 oder 5 Sterne Luxushotels bleiben, müssen teure Preisen bezahlen. Und für Touristen, die die Trends ni...
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Answered by Bethan S. • German tutor
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Draw the structure, name the shape and show bond angles of the molecules XeF4 and SbF4-. In your answer explain why each structure is different, despite both having a central atom, surrounded by 4 fluorine atoms.

Xe is in group 8, the noble gases. Therefore it has 8 electrons in its outer shell. Fluorine atoms have 7 electrons, yet one is an unpaired electron, so this is the electron in fluorine that gets involved in...
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Answered by George J. • Chemistry tutor
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Core 1 question: Draw the graph "y = 12 - x - x^2"

I always found drawing graphs one of the hardest parts of maths - especially in C1 where you cannot use a calculator to help you. So, I used some simple rules to find key parts of the graph which would simpl...
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Answered by Tess H. • Maths tutor
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