经常以蜗牛、生蚝、蛙腿、龙虾等为原料的菜式是()。 ["法式菜","美式菜","英式菜","俄式菜"]
一般混合膳食的食物热效应约增加基础代谢的()。 ["10%","15%","20%","30%","25%"]
测定细菌DNA中G+C的摩尔百分含量可作为() ["判断细菌致病力强弱的依据之一","区分死菌和活菌的重要依据之一","细菌分类的重要依据之一","判断细菌对热抵抗力强弱的依据之一","判断细菌繁殖速度的依据之一"]
近年来分离成功的病原菌包括()。 ["军团菌","空肠弯曲菌","结肠炎耶尔森菌","幽门螺杆菌","以上均是"]
下列哪项可判断两株细菌高度同源() ["两株细菌DNA的杂交百分率大于10%","两株细菌DNA的杂交百分率大于30%","两株细菌DNA的杂交百分率大于40%","两株细菌DNA的杂交百分率大于70%","两株细菌DNA的杂交百分率大于60%"]
质量检查的目的是什么?