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【多选题】
关于质粒载体的命名,哪些说法是正确的?A.
第一个字母是质粒英文名字（plasmid）的第一个字符p，用小写。
B.
p后有2个字母是大写，表示质粒的作者和实验室名称.。
C.
最后为质粒的编号。
D.
质粒载体pBR322中的BR是来源微生物的名称。
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Spurious relationships are relevant for which criterion for establishing nomothetic causality?
A.
correlation
B.
time order
C.
the effect cannot be explained in terms of some third variable
D.
exceptional cases
E.
hypothesis
【单选题】The passage provides an answer to which of the following questions?
A.
What is the explanation for the phenomenon of bioluminescence in marine life?
B.
Does the phenomenon of plankton bioluminescence have any practical applications?
C.
Why do only certain specimens of marine life exhibit the phenomenon of bioluminescence?
D.
How does underwater bioluminescence differ from atmospheric bioluminescence?
E.
What are the steps that take place as an individual microorganism becomes bioluminescent?
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