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Describe the primary and secondary structure of proteins

Primary structure:
Due to the bonding and the shape and chemical nature of different amino acids, the shape of a whole chain of amino acids (a polypeptide or protein) is

Answered by Katerina S. • Biology tutor

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How should I structure my higher mark answers during a GCSE history exam?

It is important that you consider a range of factors during your answer, in order to prove your understanding of the subject matter and access the higher marks. Typically for the 16 mark answers you will ...

Answered by Billy A. • History tutor

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Sophie had 3 piles of coins, A, B and C. Altogether there was £72. Pile B had twice as much as pile A. Pile C had three times as much as pile B. How much money was in Pile C?

A + B + C = £722A = B3B = C0.5 B + B + 3B = £724.5 B = £72B = £16C = £48

Answered by Saleema R. • Maths tutor

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"Blanche DuBois is impossible to sympathise with due to her actions and behaviour throughout Tennessee Williams' 'A Streetcar Named Desire'.

Whilst Blanche DuBois’ actions, particularly towards male characters in Tennessee Williams’ A Streetcar Named Desire, are by no means appropriate and not always justified, there is room, nonethel...

Answered by Simone M. • English Literature tutor

14713 Views

French B SL : How should I study for my French oral?

Read the criteria for the oral, as these will help you understand what the examiners are looking for in a student who will receieve a 6 or 7. Even if you don't feel like your French is the most fluent, it...

Answered by Violaine M. • French tutor

3322 Views