酶分子中决定酶促反应特异性的部分是() ["酶蛋白","辅基或辅酶","金属离子","底物","催化基团"]
麻黄碱不包括() ["麻黄碱、麻黄浸膏、麻黄浸膏粉","伪麻黄碱","从麻黄草提取的盐酸麻黄碱、草酸麻黄碱、硫酸麻黄碱等盐类","化学合成的盐酸麻黄碱、草酸麻黄碱、硫酸麻黄碱等盐类","去甲伪麻黄碱"]
患者男,39岁,近来常感腰酸梦遗,虚烦不眠,心悸健忘,五心烦热,盗汗,舌红少苔,脉细数的临床意义是() ["A.肾阴虚","B.心阴虚","C.心肾不交","D.肝肾阴虚","E.肺阴虚"]
错构瘤
下列哪项不是治疗帕金森病的药物() ["苯海索","左旋多巴","多巴胺","多巴丝肼","普拉克索"]
血红蛋白是红细胞的主要成分,由()和()结合组成。