Question 1

An ______ consists of multiple genes that are transcribed as a single transcript

Accepted Answer

The answer of An ______ consists of multiple genes that...

Question 2

Where do repressor proteins bind?

Accepted Answer

A)  Repressor sequence 
B)  Activator sequence 
C)  3' UTR 
D)  Operator sequence 
A)  Repressor sequence 
B)  Activator sequence 
C)  3' UTR 
D)  Operator sequence

Question 3

Which of the following techniques is used to compare the expression profiles of cells under different conditions?

Accepted Answer

A)  One-channel microarray 
B)  Two-channel microarray 
C)  ChIP 
D)  RNA-Seq 
A)  One-channel microarray 
B)  Two-channel microarray 
C)  ChIP 
D)  RNA-Seq

Question 4

Put the following steps in a ChIP experiment in order, beginning with the first
-Fragment chromatin

Accepted Answer

A)  1 (first) 
B)  2 
C)  3 
D)  4 
A)  1 (first) 
B)  2 
C)  3 
D)  4

Question 5

Match the protein binding patterns at the lac operon with the appropriate transcriptional outcomes.
-CAP and lac repressor bound to DNA

Accepted Answer

A)  Lac operon is not transcribed 
B)  Lac operon is weakly transcribed 
C)  Lac operon is strongly transcribed 
A)  Lac operon is not transcribed 
B)  Lac operon is weakly transcribed 
C)  Lac operon is strongly transcribed

Question 6

Put the following steps in a ChIP experiment in order, beginning with the first
-Precipitate chromatin attached to transcription factor of interest

Accepted Answer

A)  1 (first) 
B)  2 
C)  3 
D)  4 
A)  1 (first) 
B)  2 
C)  3 
D)  4

Question 7

Put the following steps in a ChIP experiment in order, beginning with the first
-Sequence DNA

Accepted Answer

A)  1 (first) 
B)  2 
C)  3 
D)  4 
A)  1 (first) 
B)  2 
C)  3 
D)  4

Question 8

Match the protein binding patterns at the lac operon with the appropriate transcriptional outcomes.
-Neither CAP nor lac repressor bound to DNA

Accepted Answer

A)  Lac operon is not transcribed 
B)  Lac operon is weakly transcribed 
C)  Lac operon is strongly transcribed 
A)  Lac operon is not transcribed 
B)  Lac operon is weakly transcribed 
C)  Lac operon is strongly transcribed

Question 9

A growth curve is shown for E. coli cultivated in media containing lactose and glucose. At which points on the growth curve is the lac operon transcribed? Please select all that apply.

Accepted Answer

A)  A 
B)  B 
C)  C 
A)  A 
B)  B 
C)  C

Question 10

Which of the following statements about the lac and trp operons in E. coli are true? Please select all that apply.

Accepted Answer

A)  The lac operon is turned on in the presence of lactose. 
B)  The trp operon is turned on in the presence of tryptophan 
C)  The lac repressor and the trp repressor both bind to the operator for their respective operons. 
D)  Tryptophan is used as a carbon source in the presence of glucose 
E)  Lactose is used as a carbon source in the presence of glucose. 
A)  The lac operon is turned on in the presence of lactose. 
B)  The trp operon is turned on in the presence of tryptophan 
C)  The lac repressor and the trp repressor both bind to the operator for their respective operons. 
D)  Tryptophan is used as a carbon source in the presence of glucose 
E)  Lactose is used as a carbon source in the presence of glucose.

Question 11

Match the points on the bacterial growth curve with their descriptions.
  
-No cell division

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 12

Which of the following statements about the lac repressor is true?

Accepted Answer

A)  The lac repressor is encoded by the lacI gene, which is located within the lac operon 
B)  The lac repressor is encoded by the lacZ gene, which is located within the lac operon 
C)  The lac repressor is encoded by the lacZ gene, which is located outside the lac operon 
D)  The lac repressor is encoded by the lacI gene, which is located outside the lac operon 
A)  The lac repressor is encoded by the lacI gene, which is located within the lac operon 
B)  The lac repressor is encoded by the lacZ gene, which is located within the lac operon 
C)  The lac repressor is encoded by the lacZ gene, which is located outside the lac operon 
D)  The lac repressor is encoded by the lacI gene, which is located outside the lac operon

Question 13

In the regulatory system that controls the lac operon, which molecule directly reflects the level of glucose in the cell?

Accepted Answer

A)  cAMP 
B)  CAP 
C)  Lac repressor 
D)  lactose 
A)  cAMP 
B)  CAP 
C)  Lac repressor 
D)  lactose

An ______ consists of multiple genes that are transcribed as a single transcript

Where do repressor proteins bind?

Which of the following techniques is used to compare the expression profiles of cells under different conditions?

Put the following steps in a ChIP experiment in order, beginning with the first -Fragment chromatin

Match the protein binding patterns at the lac operon with the appropriate transcriptional outcomes. -CAP and lac repressor bound to DNA

Put the following steps in a ChIP experiment in order, beginning with the first -Precipitate chromatin attached to transcription factor of interest

Put the following steps in a ChIP experiment in order, beginning with the first -Sequence DNA

Match the protein binding patterns at the lac operon with the appropriate transcriptional outcomes. -Neither CAP nor lac repressor bound to DNA

A growth curve is shown for E. coli cultivated in media containing lactose and glucose. At which points on the growth curve is the lac operon transcribed? Please select all that apply.

Which of the following statements about the lac and trp operons in E. coli are true? Please select all that apply.

Match the points on the bacterial growth curve with their descriptions. -No cell division

Which of the following statements about the lac repressor is true?

In the regulatory system that controls the lac operon, which molecule directly reflects the level of glucose in the cell?

Darwins Finches: Evolution, Genomes, and Genes

The Central Dogma of Molecular Biology

Genome Structure, Organization, and Variation

Descent With Modification: Dna Replication and Mutation

The Inheritance of Single Gene Traits

The Cellular Basis for Mendelian Genetics

X-Linked Genes and Sex Chromosomes

The Inheritance of Multiple Genes

The Locations of Genes on Chromosomes: Linkage and Genetic Maps

Human Genetic Mapping, Genome Wide Association Studies, and Complex Traits

Exchange and Evolution

Transcription: Reading and Expressing Genes

Translation: From Nucleic Acids to Amino Acids

Genetic Analysis of Cellular Processes

The Genetics of Populations

Metagenomes: Genome Analysis of Communities

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Exam 14: Networks of Gene Regulation

An ______ consists of multiple genes that are transcribed as a single transcript

Where do repressor proteins bind?

Which of the following techniques is used to compare the expression profiles of cells under different conditions?

Put the following steps in a ChIP experiment in order, beginning with the first -Fragment chromatin

Match the protein binding patterns at the lac operon with the appropriate transcriptional outcomes. -CAP and lac repressor bound to DNA

Put the following steps in a ChIP experiment in order, beginning with the first -Precipitate chromatin attached to transcription factor of interest

Put the following steps in a ChIP experiment in order, beginning with the first -Sequence DNA

Match the protein binding patterns at the lac operon with the appropriate transcriptional outcomes. -Neither CAP nor lac repressor bound to DNA

A growth curve is shown for E. coli cultivated in media containing lactose and glucose. At which points on the growth curve is the lac operon transcribed? Please select all that apply.

Which of the following statements about the lac and trp operons in E. coli are true? Please select all that apply.

Match the points on the bacterial growth curve with their descriptions. -No cell division

Which of the following statements about the lac repressor is true?

In the regulatory system that controls the lac operon, which molecule directly reflects the level of glucose in the cell?

Darwins Finches: Evolution, Genomes, and Genes

The Central Dogma of Molecular Biology

Genome Structure, Organization, and Variation

Descent With Modification: Dna Replication and Mutation

The Inheritance of Single Gene Traits

The Cellular Basis for Mendelian Genetics

X-Linked Genes and Sex Chromosomes

The Inheritance of Multiple Genes

The Locations of Genes on Chromosomes: Linkage and Genetic Maps

Human Genetic Mapping, Genome Wide Association Studies, and Complex Traits

Exchange and Evolution

Transcription: Reading and Expressing Genes

Translation: From Nucleic Acids to Amino Acids

Genetic Analysis of Cellular Processes

The Genetics of Populations

Metagenomes: Genome Analysis of Communities

Filters