‹Quiz Library‹BIO 367 Gene Regulation of Prokaryotes and Eukaryotes (MCAT and DAT review) #science
Created from Youtube video: https://www.youtube.com/watch?v=p7FDEXBdGB4video
Concepts covered:gene regulation, Lac operon, transcription factors, chromatin remodeling, eukaryotic DNA packaging
The video lecture provides an in-depth review of gene regulation in prokaryotes and eukaryotes, focusing on mechanisms like operons in prokaryotes, including the Lac operon, and the role of transcription factors and chromatin remodeling in eukaryotes. It explains the differences between positive and negative control, inducible and repressible systems, and the impact of mutations on gene expression, while also covering the complexities of eukaryotic gene regulation involving DNA packaging and transcription factor dynamics.
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BIO 367 Gene Regulation of Prokaryotes and Eukaryotes (MCAT and DAT review) #science
Concepts covered:gene regulation, Lac operon, transcription factors, chromatin remodeling, eukaryotic DNA packaging
The video lecture provides an in-depth review of gene regulation in prokaryotes and eukaryotes, focusing on mechanisms like operons in prokaryotes, including the Lac operon, and the role of transcription factors and chromatin remodeling in eukaryotes. It explains the differences between positive and negative control, inducible and repressible systems, and the impact of mutations on gene expression, while also covering the complexities of eukaryotic gene regulation involving DNA packaging and transcription factor dynamics.
Question 1
Prokaryotic genes are organized in operons.
Question 2
What is the role of histone acetylation?
Question 3
In prokaryotes, genes are organized in clusters called _____.
Question 4
CASE STUDY: A researcher is studying the Lac operon in E. coli.
What happens if lactose is absent?
Question 5
CASE STUDY: A eukaryotic cell's histones are heavily acetylated.
Select three correct effects on gene expression.
Question 6
Lactose acts as an inducer in the lac operon.
Question 7
What is the function of chromatin remodelers?
Question 8
The Lac operon is induced by the presence of _____.
Question 9
CASE STUDY: A geneticist introduces a plasmid with i+ gene into a mutant strain.
What is the expected outcome?
Question 10
Cis-acting elements are proteins that regulate gene expression.
Question 11
How do insulators affect enhancers?
Question 12
A constitutive mutation in the Lac operon results in it being always _____.
Question 13
Eukaryotic transcription factors are synthesized in the nucleus.
Question 14
How does lactose affect the Lac operon?
Question 15
A CIS-acting regulator is a _____.
Question 16
Histone acetylation generally promotes gene activation.
Question 17
What regulates gene expression in prokaryotes?

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