What Is the Primary Conclusion of "Domain-Swapping" Experiments with Transcriptional

question 52

Multiple Choice

What is the primary conclusion of "domain-swapping" experiments with transcriptional regulatory proteins?

• A)Formation of homo- and hetero-dimers provide combinatorial control of gene expression.
• B)Multiple protein:protein interactions are required to make transcription occur.
• C)Enhancer elements are separate from the promoter site.
• D)Zinc fingers are separate domains involved in DNA binding.
• E)DNA binding elements and protein:protein interaction regions are often found in separate parts of a protein.

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