癌基因ras家族的编码产物是()。
A.酪氨酸蛋白激酶
B.DNA结合蛋白
C.GTP结合蛋白类
D.生长因子类
E.生长因子受体类
参考答案:C
在本企业法定代表人授权范围内,建设工程施工方项目经理的管理权力包括( )。
A.调配企业人力及机械设备
B.调整项目投资目标
C.审定危险性较大的工程专项施工方案
D.调整项目技术负责人
On the number line above, the segment from 0 to 1 has been divided into fifths, as indicated by the large tick marks, and also into sevenths, as indicated by the small tick marks. What is the least possible distance between any two of the tick marks