转化酶催化下列()反应。
A.G1P+ATP→ADPG+Pi
B.UDPG+果糖→蔗糖+UDP
C.F1,6BP+H2O→F6P+PPi
D.蔗糖+H2O→葡萄糖+果糖
参考答案:D
物质都是由元素组成的.如氧气和二氧纯碳中都含有相同的______元素,水和过氧化氢都是由______元素组成.元素是______相同的一类原子的总称,所以决定元素种类的是原子中的______数.
You have berthed in a area with other tank vessels. What signal is displayed by a vessel to indicate it is transferring flammable or combustible liquid cargo?().
A.A flashing yellow light
B.A red light visible all around the horizon
C.A green light visible all around the horizon
D.An illuminated red and yellow caution flag