【判断题】变性的蛋白质不一定沉淀,沉淀的蛋白质也不一定变性。
【判断题】变性的蛋白质不一定沉淀,沉淀的蛋白质也不一定变性。
【单选题】Bill: Hello. I don't think we've met. My name is Bill, Bill Collins. Everybody calls me Bill. May: ______
A.
Right. Nobody has introduced us.
B.
Can I call you Bill, too?
【单选题】患者男性,19岁。右前臂被炸伤4小时,最大伤口长5cm,出血多,伤及肌肉,X线检查无骨折、未见金属异物,其伤口最佳处理是