用于分离不同分子大小的蛋白质的方法是() ["琼脂糖凝胶电泳","凝胶过滤","速率免疫比浊法","免疫固定电泳","WesternBlot"]
甲状腺功能检查选用的是() ["甲硫氧嘧啶","放射性131I","普萘洛尔","甲状腺激素","大剂量碘化钾"]
鼻息肉可引起()。 ["阻塞性呼吸性嗅觉减退和失嗅","非阻塞性呼吸性嗅觉减退和失嗅","感觉性嗅觉减退和失嗅","嗅觉过敏","嗅觉官能症"]
确定蛋白质标准溶液浓度的最经典方法是() ["凯氏定氮法","双缩脲法","酚试剂法","紫外分光光度法","溴甲酚绿"]
极度用力对应的RPE数值为() ["15","16","17","18","19"]
接触性皮炎的病因包括()、()、()三大类,其中以()最常见。