AQA Jun 2013 Paper 4 Q6

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do not write outside the box alanine and aspartic acid are naturally occurring amino acids ch cooh h c c cooh h c cooh nh alanine nh aspartic acid a draw the structure of the zwitterion formed by alanine b draw the structure of the compound formed when alanine reacts with methanol in the presence of a small amount of concentrated sulfuric acid mark c draw the structure of the species formed by aspartic acid at high ph d draw the structure of a dipeptide formed by two aspartic acid molecules mark mark mark wmp jun chem

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