DNA复制延长中起催化作用的DNA聚合酶在原核生物是（），真核生物是（）。

原核生物和真核生物的DNA聚合酶

DNA复制延长中起催化作用的DNA聚合酶在原核生物是（），真核生物是DNA-polα。

真核生物RNA聚合酶I存在于核仁中,其功能是合成( )。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

转录后形成一个RNA分子的一段DNA序列称为一个转录单位（transcrip unit），真核生物大多只含（）基因；原核生物通常含有（）基因。
 

RNA聚合酶Ⅲ催化生成之产物

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。