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Week 4: Why are so many bacteria resistant to antibiotics?

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This figure is a schematic diagram showing three genes 1, 2 and 3, at different locations within the genome. Each gene is expressed (via transcription and translation) as a chain of amino acids in a specific sequence – chains 1, 2 and 3 respectively. Each amino acid chain then folds up into a particular three-dimensional structure, determined by its amino acid sequence.