题目内容

空间两直线若不平行，则必定相交。（）

A. 对
B. 错

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The specific DNA sequences to which the transcription factors bind are referred to as _____

A.replication elements
B.blocking factors
C.transcription factors
D.regulatory elements

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The TATA box is often used as an indicator of the presence of a promoter.

A.True
B.False

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You wanted to study the assembly of preinitiation complex in eukaryotes. This is by the means of DNA-protein interaction. Which of these methods you can’t absolutely put in use there?

A.Footprinting
B.Crystal structure
C.EMSA
D.Primer extension

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While performing EMSA, in which situation will you see the band highest?

A.You add TFIID, TFIIA and polymerase
B.You add TFIID, TFIIB, TFIIF and polymerase
C.You add TFIID, TFIIA, TFIIF and polymerase
D.You add TFIIA, TFIIB, TFIIF and polymerase

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空间两直线若不平行，则必定相交。（）

A. 对 B. 错

The specific DNA sequences to which the transcription factors bind are referred to as _____

The TATA box is often used as an indicator of the presence of a promoter.

You wanted to study the assembly of preinitiation complex in eukaryotes. This is by the means of DNA-protein interaction. Which of these methods you can’t absolutely put in use there?

While performing EMSA, in which situation will you see the band highest?

A. 对
B. 错