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Antibiotic drugs Among the hundreds of compounds produced by microorganisms that have inhibitory action on other microorganisms, only a relatively small number have a favorable therapeutic index. These are the clinically useful antibiotics. In the present discussion, particular attention will be paid to the potency, antibacterial spectrum

How does it work? Ofloxacin belongs to a group of broad spectrum antibiotics called the quinolones. It works by entering the bacterial cell and inhibiting a chemical called DNA-gyrase which is involved in the production of genetic material (DNA). This therefore prevents the bacteria from reproducing

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对外经济贸易大学：《商务英语》课程教学资源（授课教案）Chapter 1 What Is Economics

对外经济贸易大学：《商务英语》课程教学资源（授课教案）Chapter 2 Needs and Wants

对外经济贸易大学：《商务英语》课程教学资源（授课教案）Chapter 3 Supply and Demand