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Protein Balance and Transcription Regulation Quiz

12 Questions

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Protein Balance and Transcription Regulation Quiz

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Questions and Answers

Which of the following elements play a crucial role in regulating RNA polymerase activity during transcription initiation?

Proteasomes

Cis elements (correct)

Photosystems

Exosomes

What is the primary function of transcription factors in the process of gene expression?

Serve as a template for protein synthesis

Regulate RNA polymerase activity (correct)

Act as structural components of ribosomes

Catalyze DNA replication

Which enzyme is responsible for catalyzing the synthesis of RNA from DNA during transcription initiation?

RNA polymerase (correct)

DNA polymerase

DNA ligase

RNA helicase

What role do intrinsic termination signals play in the process of transcription termination?

Cause RNA polymerase to release the RNA transcript Signup and view all the answers

Which cellular process is impacted by post-translational regulation?

Signal transduction Signup and view all the answers

What is the role of DNA methylation in epigenetics?

Silences gene expression Signup and view all the answers

How do histone modifications impact gene expression?

Silence gene expression Signup and view all the answers

In epigenetics, what does chromatin remodeling refer to?

Regulating gene expression by nucleosome movement Signup and view all the answers

What is the role of cis elements in transcription regulation?

Regulate gene transcription by interacting with DNA sequences Signup and view all the answers

In transcription initiation, what is the function of trans factors?

Bind to cis elements and regulate transcription complexes assembly Signup and view all the answers

Which type of regulation involves activator proteins binding to cis elements?

Positive control Signup and view all the answers

What distinguishes negative control from positive control in mRNA synthesis regulation?

Negative control involves repressor proteins, while positive control involves activator proteins Signup and view all the answers