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16. Regulation of Expression

Eukaryotic Transcriptional Control

16. Regulation of Expression

Eukaryotic Transcriptional Control

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Introduction to Transcription Factors

Introduction to Transcription Factors

Jason Amores Sumpter

General Transcription Factors

General Transcription Factors

Jason Amores Sumpter

Specific Transcription Factors

Specific Transcription Factors

Jason Amores Sumpter

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Gene Regulation in Eukaryotes Part 2

Gene Regulation in Eukaryotes Part 2

Kristina Gremski

Gene Regulation in Eukaryotes Part 1

Gene Regulation in Eukaryotes Part 1

Kristina Gremski

Eukaryotic gene expression regulation: concept of chromatin

Eukaryotic gene expression regulation: concept of chromatin

Animated biology With arpan

Gene Regulation in Eukaryotes

Gene Regulation in Eukaryotes

Practice this topic

Multiple Choice

Regulatory segments of DNA that function to increase transcription levels in eukaryotes are called:

Multiple Choice

Which of the following statements correctly describes the primary difference between enhancers and proximal control elements?

Multiple Choice

Which of the following is NOT true regarding the differences of transcription in eukaryotes and prokaryotes?

Multiple Choice

Which of the following statements about transcription factors is incorrect:

Multiple Choice

In a eukaryote, transcription factors called activators may stimulate gene expression by binding to DNA sites called __________.

Multiple Choice

Enhancers __________.

Multiple Choice

Dioxin, produced as a by-product of various industrial chemical processes, is suspected of causing cancer and birth defects in animals and humans. It apparently acts by entering cells and binding to specific proteins, which then enter the nucleus and alter the pattern of gene expression. Therefore, dioxin acts by mimicking the action of __________.

Multiple Choice

A high rate of gene transcription in eukaryotic cells is usually dependent on __________.

Multiple Choice

MyoD promotes muscle cell development by __________.

Textbook Question

Which of these statements about enhancers is correct? a. They contain a unique base sequence called a TATA box. b. They are located only in 5′ untranslated regions. c. They are located only in introns. d. They are found both upstream and downstream from the transcription start site and are functional in any orientation.

Textbook Question

In eukaryotes, what allows only certain genes to be expressed in different types of cells?

Textbook Question

Compare and contrast the items in each pair: (c) general transcription factors and sigma.

Textbook Question

Compare and contrast the items in each pair: (a) enhancers and the E. coli CAP binding site

Textbook Question

Compare and contrast the items in each pair: (b) promoter-proximal elements and the operator of the lac operon

Textbook Question

The Hawaiian bobtail squid (Euprymna scolopes) is able to glow from luminescent Vibrio fischeri bacteria held in its light organs. As it swims at night near the ocean surface, it adjusts the amount of light visible to predators below to match the light from the stars and moon. Predators have difficulty seeing the illuminated squid against the night sky. The bacteria glow in response to a molecule that regulates expression of genes involved in light-producing chemical reactions. The regulator controls production of the genes' mRNA. Therefore, the light-producing genes are under a. transcriptional control. b. translational control. c. post-translational control. d. negative control.

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