百度试题 结果1 题目The pn in pneumogen is pronounced as: A p B pa C n D pn 相关知识点: 试题来源: 解析 C
Nature's laboratory is therefore a good reservoir of antibiotic scaffolds that have been evolutionarily optimized to suit the physicochemical requirements for activity in microorganisms, especially against Gram-negative bacteria. However, given the need for the organism producing an antibiotic to protect ...