皮皮学，免费搜题
登录
搜题
【简答题】
用蛋白水解酶作用于原核生物的DNA聚合酶I，可将其分为大、小两个片段，其中大片段叫Klenow片段，具有（）和（）活性，另外一个片段具有（）活性。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Have you ever rubbed your hands together when they get cold? Why do we do that? We do that for friction . Friction happens when two things that aren’t very smooth (光滑的) rub together to make heat energ...
【简答题】Have you ever rubbed your hands together when they get cold? Why do we do that? We do that for friction . Friction happens when two things that aren’t very smooth rub together to make heat energy. The...
【单选题】— Why do we get up so early? — If we _______ the flight we would have to stay here for another day.
A.
miss
B.
would miss
C.
missed
D.
had missed
【单选题】According to the passage, why do we have close friends who have nothing in common?
A.
Because we will benefit from the varieties they bring into our life.
B.
Because our friends reflect the different aspects of our personalities.
C.
Because sometimes we choose friends through computer dating agencies.
D.
Because it's better we have friends who are complementary to each other.
【单选题】— Why do we get up so early? — If we ______ the flight we would have to stay here for another day.
A.
will miss
B.
miss
C.
missed
D.
would miss
【单选题】Why do we have to _________ Sue’s selfish behavior? We have to teach her to care for others.
A.
keep up with
B.
put up with
C.
catch up with
D.
come up with
相关题目：