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【多选题】
The physiological characteristics of myocardium include（ ）
A.
Conductivity
B.
Autorhythmicity
C.
Contractility
D.
Excitability
E.
Extension
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【判断题】RNA Pol II is the enzyme synthesizing hnRNA in eukaryotes. It is not susceptible to amanitin.（ ）
A.
正确
B.
错误
【单选题】Isocaudarner presents（ ）
A.
Various restriction endonucleases recognize same palindrome, but cut at identical site
B.
Various restriction endonucleases recognize different palindromes, but produce same sticky ends
C.
Various restriction endonucleases recognize same palindrome, but cut at different site
D.
Various restriction endonucleases recognize same palindromes, and produce same sticky ends
【判断题】In most chronic myelogenous leukemia, tumorigenesis is caused by oncogene amplification（ ）
A.
正确
B.
错误
【判断题】In the PCR reaction, the purpose of annealing is to make the combination of primer and template. （ ）
A.
正确
B.
错误
【单选题】In lac operon, repressor protein could bind to( )sequence.（ ）
A.
lac Z
B.
promoter
C.
lac I
D.
operator