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Gene Activation and Protein Interactions Quiz

10 Questions

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Gene Activation and Protein Interactions Quiz

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Questions and Answers

What is the primary level at which eukaryotic gene expression is controlled?

RNA processing

Initiation of transcription (correct)

Translation

Post-translational modification

What process involves transcription factors competing with histones for DNA after the passage of a replication fork?

Opening chromatin structure (correct)

DNA methylation

Histone acetylation

Nucleosome assembly

What is the role of activators and repressors in gene activation?

Initiating translation

Regulating RNA processing

Modulating gene expression (correct)

Controlling DNA replication

What is the utility of the two-hybrid assay?

Detecting protein-protein interactions Signup and view all the answers

What do some transcription factors compete with at enhancer DNA sites on daughter strands?

Nucleosomes Signup and view all the answers

What can some transcription factors do within closed chromatin?

Bind to their DNA target sequence Signup and view all the answers

What initiates the process of opening the gene region and clearing the promoter?

Recruitment of histone modifiers and chromatin remodelers Signup and view all the answers

What can insulators (boundary elements) do in the genome?

Block the spreading of chromatin modifications Signup and view all the answers

What is the primary level at which eukaryotic gene expression is usually controlled?

Initiation of transcription Signup and view all the answers

What is the role of some transcription factors in the presence of a sufficiently high concentration?

Open the chromatin Signup and view all the answers