蛋白激酶 A ( Protein Kinase A , PKA )由两个催化亚基和两个调节亚基组成, cAMP 能够与酶的( )结合。
A.
催化亚基
B.
调节亚基
C.
活性中心
D.
中心
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举一反三
【单选题】What is the real aim of " Become a couch potato! Earn that telly belly! Train hard as a mouse potato, and earn mouse miles. Get started today ." ?
A.
The writer wants to say it is good to be a couch potato or mouse potato.
B.
The write wants to say it is good to be far away from being a couch potato or mouse potato.
【单选题】What is the real aim of " Become a couch potato! Earn that telly belly! Train hard as a mouse potato, and earn mouse miles. Get started today ." ?
A.
the writer wants to say it is good to be a couch potato or mouse potato.
B.
the writer wants to say it is good to be far away from being a couch potato or mouse potato.