Coloured scanning electron micrograph (SEM) of Antibiotic treatment on bacteria. Cellular effects of an antibiotic on the bacterium (Escherichia coli). The moderate spectrum antibiotic, amoxicillin (also known as amoxicillin), acts by inhibiting the synthesis of bacterial cell walls. This image shows the degradation of the E. coli cell wall peptidoglycan layer after antibiotic treatment. It will eventually lead to the bursting of the cell and release of the cell contents, killing the bacterium. Amoxicillin acts on a wide range of Gram-positive, and a limited range of Gram-negative bacteria. Magnification: x7,000 when shortest axis printed at 25 millimetres.
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