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Primary - The sequence of amino acids in the Protein, defined by the DNA sequence coding for the protein. Secondary - Any folding or coiling within the protein which are stabilised by hydrogen bonds. The two...

It is first important to get the equation to equal 0, so to do this you minus 12 from each side of the equals symbol, giving youX^2 +13X+36=0Now it is time to think about factorising!The best trick for this ...

We all get to the point where we have been drawing or working on a project for so long that we feel completely uninspired.Its often a good idea to take a break at this point, if you're really stressed and wo...

The way that papers are set is that you usually can allow just over a minute for each mark. This means if a question is 6 marks, it should take about 6 minutes to answer. It is generally a good idea to be qu...

We know that x_n > x_(n+1) is true if and only if x_n - x_(n+1) > 0 is true.So x_n - x_(n+1) = (n^3 − 9n^2 + 631) − ((n + 1)^3 − 9(n + 1)^2 + 631) = (n^3 − n^3 − 3n^2 − 3n − 1) − 9(n^2 − n^2 − 2n − 1) ...