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We use the form ax^2+bx+cTo factorise we need to put the equation into 2 bracketsThese 2 brackets will be in the form (x+k)(x+j) where k and j are to be foundWe need to find a combination of k and j for w...

We should begin this question first by introducing the concept, adding clarity and showing the marker that you understand the issues at hand. This is then followed by stating your view, using a subjunctiv...

The primary structure of a protein is the sequence of amino acids found in the polypeptide chains, this sequence determines the shape and properties of the protein.The secondary structure of a protein is ...

Van der Vaal forces are temporarily induced dipole forces. At any given time, the density of electrons in 1 atom will repel the electrons in another closely located atom, creating a dipole. Van der waal f...

(i) 1. amino acid 2. DNA(ii) Decomposer microrganisms break down dead material into ammonia. Ammonia is then converted into nitrite and then oxidised to nitrate by nitrifying bacteria. The process is know...