Question 1

What do many DNA binding proteins contain that is involved in chromatin remodeling?

Accepted Answer

A)  a helix-turn-helix motif 
B)  an acetyl-lysine binding domain 
C)  a zinc-finger motif 
D)  All of the above. 
E)  None of the above. 
A)  a helix-turn-helix motif 
B)  an acetyl-lysine binding domain 
C)  a zinc-finger motif 
D)  All of the above. 
E)  None of the above.

Question 2

What is the role of a mediator in transcription?

Accepted Answer

A mediator is a bridge, compos

Question 3

The nuclear membrane is important in gene expression because it separates the process of ________________ from that of ________________.

Accepted Answer

transcript

Question 4

By what mechanism does histone acetylation prepare the DNA for transcription?

Accepted Answer

The mechanism involves the release of DN

Question 5

How do coactivators mediate expression?

Accepted Answer

A)  by blocking RNA polymerase binding 
B)  by loosening the histone complex formation 
C)  by inhibiting intron splicing 
D)  A and B 
E)  B and C 
A)  by blocking RNA polymerase binding 
B)  by loosening the histone complex formation 
C)  by inhibiting intron splicing 
D)  A and B 
E)  B and C

Question 6

Briefly describe the path of a steroid hormone in gene regulation.

Accepted Answer

The steroid hormones can diffuse across

Question 7

Use the following to answer questions 
Choose the correct answer from the list below. Not all of the answers will be used.
-______________ is/are a DNA-binding domain involving eight cysteine residues.

Accepted Answer

A) enhancers 
B) bromodomain 
C) regulated 
D) chromatin-remodeling engines 
E) ligand
F)coactivators
G)agonists
H)histone acetylase
I)citrate
J)TATA box
K)histone deacetylase
L)zinc finger 
A) enhancers 
B) bromodomain 
C) regulated 
D) chromatin-remodeling engines 
E) ligand
F)coactivators
G)agonists
H)histone acetylase
I)citrate
J)TATA box
K)histone deacetylase
L)zinc finger

Question 8

How does binding of thyroid hormone to its nuclear hormone receptor promote transcription?

Accepted Answer

When thyroid hormone is not bo

Question 9

Explain why different RNA polymerases transcribe specific genes and only those genes.

Accepted Answer

The promoter sites for each RNA polymera

Question 10

Use the following to answer questions 
Choose the correct answer from the list below. Not all of the answers will be used.
-______________ is a complex that can shift the position of nucleosomes along a DNA strand.

Accepted Answer

A) enhancers 
B) bromodomain 
C) regulated 
D) chromatin-remodeling engines 
E) ligand
F)coactivators
G)agonists
H)histone acetylase
I)citrate
J)TATA box
K)histone deacetylase
L)zinc finger 
A) enhancers 
B) bromodomain 
C) regulated 
D) chromatin-remodeling engines 
E) ligand
F)coactivators
G)agonists
H)histone acetylase
I)citrate
J)TATA box
K)histone deacetylase
L)zinc finger

Question 11

How does a coactivator function in gene expression?

Accepted Answer

The binding of ligand to the receptor in

Question 12

In eukaryotes, DNA-binding proteins bind to DNA by which of the following DNA-binding structures?

Accepted Answer

A)  the zinc-finger domain 
B)  the cAMP binding 
C)  closed loops called lariats 
D)  A and B 
E)  A, B, and C 
A)  the zinc-finger domain 
B)  the cAMP binding 
C)  closed loops called lariats 
D)  A and B 
E)  A, B, and C

Question 13

Use the following to answer questions 
Choose the correct answer from the list below. Not all of the answers will be used.
-The molecule ______________ shuttles acetyl groups into the nucleus for use by histone-modifying enzymes .

Accepted Answer

A) enhancers 
B) bromodomain 
C) regulated 
D) chromatin-remodeling engines 
E) ligand
F)coactivators
G)agonists
H)histone acetylase
I)citrate
J)TATA box
K)histone deacetylase
L)zinc finger 
A) enhancers 
B) bromodomain 
C) regulated 
D) chromatin-remodeling engines 
E) ligand
F)coactivators
G)agonists
H)histone acetylase
I)citrate
J)TATA box
K)histone deacetylase
L)zinc finger

Question 14

Differential gene expression is caused by:

Accepted Answer

A)  control of translation. 
B)  control of mRNA processing. 
C)  control of transcription. 
D)  control of replication. 
E)  None of the above. 
A)  control of translation. 
B)  control of mRNA processing. 
C)  control of transcription. 
D)  control of replication. 
E)  None of the above.

Question 15

Pluripotent cells:

Accepted Answer

A)  are stem cells. 
B)  can develop into any adult cell. 
C)  can develop into any fetal cell. 
D)  All of the above. 
E)  None of the above. 
A)  are stem cells. 
B)  can develop into any adult cell. 
C)  can develop into any fetal cell. 
D)  All of the above. 
E)  None of the above.

Question 16

Nuclear hormone receptors bind to specific DNA sites known as ________________.

Accepted Answer

The answer of Nuclear hormone receptors bind to specific DNA...

Question 17

Which two characteristic differentiate promoters from enhancers?

Accepted Answer

Promoters are found just upstream of the

Question 18

A molecule that binds to a nuclear hormone receptor but does not trigger a response is called a(n) ________________.

Accepted Answer

The answer of A molecule that binds to a nuclear...

Question 19

What are the steps in modifying gene expression by hormones such as estrogen?

Accepted Answer

Estrogen diffuses through the plasma mem

Question 20

Molecules that bind to a receptor and trigger signaling pathways are called:

Accepted Answer

A)  antagonists. 
B)  agonists. 
C)  IRE-binding proteins. 
D)  promoters. 
E)  None of the above. 
A)  antagonists. 
B)  agonists. 
C)  IRE-binding proteins. 
D)  promoters. 
E)  None of the above.

Exam 37: Gene Expression in Eukaryotes

What do many DNA binding proteins contain that is involved in chromatin remodeling?

What is the role of a mediator in transcription?

The nuclear membrane is important in gene expression because it separates the process of ________________ from that of ________________.

By what mechanism does histone acetylation prepare the DNA for transcription?

How do coactivators mediate expression?

Briefly describe the path of a steroid hormone in gene regulation.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -______________ is/are a DNA-binding domain involving eight cysteine residues.

How does binding of thyroid hormone to its nuclear hormone receptor promote transcription?

Explain why different RNA polymerases transcribe specific genes and only those genes.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -______________ is a complex that can shift the position of nucleosomes along a DNA strand.

How does a coactivator function in gene expression?

In eukaryotes, DNA-binding proteins bind to DNA by which of the following DNA-binding structures?

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The molecule ______________ shuttles acetyl groups into the nucleus for use by histone-modifying enzymes .

Differential gene expression is caused by:

Pluripotent cells:

Nuclear hormone receptors bind to specific DNA sites known as ________________.

Which two characteristic differentiate promoters from enhancers?

A molecule that binds to a nuclear hormone receptor but does not trigger a response is called a(n) ________________.

What are the steps in modifying gene expression by hormones such as estrogen?

Molecules that bind to a receptor and trigger signaling pathways are called:

Biochemistry and the Unity of Life

Water, Weak Bonds, and the Generation of Order Out of Chaos

Amino Acids

Protein Three-Dimensional Structure

Techniques in Protein Biochemistry

Basic Concepts of Enzyme Action

Kinetics and Regulation

Mechanisms and Inhibitors

Hemoglobin: an Allosteric Protein

Carbohydrates

Lipids

Membrane Structure and Function

Signal Transduction Pathways

Digestion: Turning a Meal Into Cellular Biochemicals

Metabolism: Basic Concepts and Design

Glycolysis

Gluconeogenesis

Preparation for the Cycle

Harvesting Electrons From the Cycle

The Electron Transport Chain

The Proton-Motive Force

The Light Reactions

The Calvin Cycle

Glycogen Degradation

Glycogen Synthesis

The Pentose Phosphate Pathway

Fatty Acid Degredation

Fatty Acid Synthesis

Lipid Synthesis

Amino Acid Degradation and the Urea Cycle

Amino Acids Synthesis

Nucleotide Metabolism

The Structure of Informational Macromolecules: Dna and Rna

DNA Replication

DNA Repair and Recombination

RNA Synthesis and Regulation in Prokaryotes

RNA Processing in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant Dna Techniques

Filters

The nuclear membrane is important in gene expression because it separates the process of from that of .