蛋白质中含量较稳定的元素是() ["碳","氧","氢","氮","磷"]
以下最不宜行组织活检术的恶性肿瘤为() ["舌癌","唇癌","恶性淋巴瘤","恶性黑色素瘤","肉瘤"]
取某蛋白质样品5mg,测得其中共含氮0.4mg,该样品蛋白质的百分含量是() ["A.6.25%","B.50%","C.25%","D.16.0%","E.5.0%"]
参与完成精确、协调运动的系统有() ["脊髓","大脑优势半球","前庭","锥体外系","小脑"]
下述哪一项不是疣状癌的特征() ["多不发生转移","上皮以外生性过度增生为主","细胞轻度异形","生长迅速","上皮细胞成球状向下方结缔组织中破坏性推进生长"]
新加香薷饮的功用是()。香薷散的功用是()。