

Regulation of gene expression ll
Flashcard
•
Biology
•
University
•
Practice Problem
•
Hard
Evelyn Muro
FREE Resource
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19 questions
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1.
FLASHCARD QUESTION
Front
Which of the following best describes the role of the TATA-binding protein (TBP) in transcription initiation?
Back
It binds to the TATA box to help position RNA polymerase II.
2.
FLASHCARD QUESTION
Front
Which of the following is not a mechanism by which transcription factors regulate gene expression?
Back
Direct binding to the RNA polymerase II enzyme.
3.
FLASHCARD QUESTION
Front
Which of the following transcription factor domains is responsible for interacting with DNA?
Back
Zinc-finger domain
4.
FLASHCARD QUESTION
Front
Which of the following best describes combinatorial control in gene expression?
Back
Multiple transcription factors combine to control the expression of a single gene.
5.
FLASHCARD QUESTION
Front
in combinatorial gene regulation, what is the primary role of co-activators in gene transcription?
Back
To facilitate the recruitment of RNA polymerase by interacting with multiple transcription factors.
6.
FLASHCARD QUESTION
Front
In the context of combinatorial control, a mutation in which of the following regions is most likely to disrupt gene regulation by multiple transcription factors?
Back
A distant enhancer region where multiple transcription factors bind cooperatively
7.
FLASHCARD QUESTION
Front
Combinatorial control in eukaryotic cells often involves the integration of signals from different pathways. Which of the following proteins plays a key role in integrating such signals at the level of chromatin remodeling?
Back
Histone acetyltransferases (HATs)
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