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What is the structure of a protein?

Structure of the protein is easier to understand if we start from the beginning and gradually build up our knowledge. Firstly, proteins are made of amino acids. Each amino acid is made of a central carbon at...
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Answered by Daria S. • Biology tutor
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Amanda and Wim share some money in the ratio 2:5. Wim receives £115. Calculate how much money was shared?

First, you need to find value of one part . We can see that Wim who has a share of 5 parts gets £115. So, 5 parts is equivalent to £115. Therefore, value of each part is 115/5 = £23. Now, adding the ratios 2...
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Answered by Saeideh N. • Maths tutor
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How does a change in temperature affect the Kc value when the forward reaction is exothermic?

To explain this I will use a made up example question: A 2(g) + B 2(g) <-> 2AB Change in enthalpy= Negative remember: according to Le Chatlier's principle, if a system in equilibrium is subjected to ch...
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Answered by Ruairi O. • Chemistry tutor
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Question 14)http://ibdocuments.com/IB%20PAST%20PAPERS%20-%20SUBJECT/Group%204%20-%20The%20sciences/Computer_science_SL/2007%20November%20Examination%20Session/English%20Papers/Computer_science_paper_1_SL.pdf

a) With the word access modifier "private" we are declaring that the method will only be accessible within that class (i.e you can not call the method from an external class/file). b) Since the val...
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Answered by Raul P. • Computing tutor
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Compare and contrast the structures of Diamond and Magnesium in terms of the position and interactions of particles within the substance. Comment on how this is reflected in their properties.

Diamond is a giant covalent structure of Carbon atoms in which every atom makes 4 covalent bonds , each with another Carbon atom, forming a regular tetrahedral structure. This results in a very hard substanc...
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Answered by Poppy H. • Chemistry tutor
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