Question 1

Which of the following best describes the cap nucleotide on a eukaryotic mRNA?

Accepted Answer

A) A 
B) C 
C) m7G 
D) T 
E) U 
A) A 
B) C 
C) m7G 
D) T 
E) U

Question 2

Matching
Choose the correct answer from the list.Not all the answers will be used.

-The expressed sequences of eukaryotic pre-mRNAs are known as ______.

Accepted Answer

A)  Rho (ρ) 
B)  introns 
C)  sigma (σ) 
D)  sense 
E)  operons
F) structural
G) Pribnow
H) promoters
I) antisense
J) exons
K) nucleolus
L) TATA 
M) Sense
N) AAAA (poly 
A) 
O) Ribosome 
A)  Rho (ρ) 
B)  introns 
C)  sigma (σ) 
D)  sense 
E)  operons
F) structural
G) Pribnow
H) promoters
I) antisense
J) exons
K) nucleolus
L) TATA 
M) Sense
N) AAAA (poly 
A) 
O) Ribosome

Question 3

Which of the following are components of the spliceosome?
(I)primary transcript RNA.
(II)snRNPs.
(III)primary transcript RNA binding proteins.

Accepted Answer

A) I,II 
B) I,III 
C) II,III 
D) I,II,III 
E) III only 
A) I,II 
B) I,III 
C) II,III 
D) I,II,III 
E) III only

Question 4

In eukaryotes all three RNA polymerases recognize

Accepted Answer

A) the promoter sequence bound by  $\sigma$ factor. 
B) a single promoter sequence named TF II D. 
C) class I promoters. 
D) promoters with TATA boxes. 
E) none of the above. 
A) the promoter sequence bound by  $\sigma$ factor. 
B) a single promoter sequence named TF II D. 
C) class I promoters. 
D) promoters with TATA boxes. 
E) none of the above.

Question 5

The function of the TATA box is

Accepted Answer

A) to recognize the  $\sigma$ subunit and correctly line up the RNA polymerase. 
B) to terminate active RNA transcription. 
C) to form a hairpin for RNA transcription termination. 
D) to provide a binding location for the Rho protein. 
E) to stimulate formation of the transcription bubble. 
A) to recognize the  $\sigma$ subunit and correctly line up the RNA polymerase. 
B) to terminate active RNA transcription. 
C) to form a hairpin for RNA transcription termination. 
D) to provide a binding location for the Rho protein. 
E) to stimulate formation of the transcription bubble.

Question 6

Which of the following if TRUE regarding prokaryotic DNA polymerase?
(I)Abortive initiation is common.
(II)RNA polymerase processivity increases with the β clamp.
(III)The error rate is 1 in 106.
(IV)Initiation of transcription begins at the −10 position.

Accepted Answer

A) I,II,III 
B) I only 
C) III only 
D) III,IV 
E) II,III,IV 
A) I,II,III 
B) I only 
C) III only 
D) III,IV 
E) II,III,IV

Question 7

Matching
Choose the correct answer from the list.Not all the answers will be used.

-Eukaryotic rRNA genes are transcribed and processed in the ______.

Accepted Answer

A)  Rho (ρ) 
B)  introns 
C)  sigma (σ) 
D)  sense 
E)  operons
F) structural
G) Pribnow
H) promoters
I) antisense
J) exons
K) nucleolus
L) TATA 
M) Sense
N) AAAA (poly 
A) 
O) Ribosome 
A)  Rho (ρ) 
B)  introns 
C)  sigma (σ) 
D)  sense 
E)  operons
F) structural
G) Pribnow
H) promoters
I) antisense
J) exons
K) nucleolus
L) TATA 
M) Sense
N) AAAA (poly 
A) 
O) Ribosome

Question 8

Which of the following increases the stability of the elongation complex during transcription in E.coli?

Accepted Answer

A) formation of the open complex 
B) dissociation of the  $\sigma$ subunit 
C) mutations in the promoter region 
D) production of abortive transcripts 
E) All of the above increase the stability. 
A) formation of the open complex 
B) dissociation of the  $\sigma$ subunit 
C) mutations in the promoter region 
D) production of abortive transcripts 
E) All of the above increase the stability.

Question 9

The phosphorylation of the CTD of RNA polymerase II is important for which phase of transcription?

Accepted Answer

A) initial binding of the promoter 
B) conversion from the pre-initiation (closed)complex to the initiation (open)complex 
C) progression from initiation to elongation 
D) termination of transcription 
E) none of the above 
A) initial binding of the promoter 
B) conversion from the pre-initiation (closed)complex to the initiation (open)complex 
C) progression from initiation to elongation 
D) termination of transcription 
E) none of the above

Question 10

The processing of pre-rRNAs includes ______.
(I)nucleolytic cleavage.
(II)snoRNA-assisted methylation.
(III)snRNP-assisted methylation.

Accepted Answer

A) I,II 
B) I,III 
C) II,III 
D) I,II,III 
E) III only 
A) I,II 
B) I,III 
C) II,III 
D) I,II,III 
E) III only

Which of the following best describes the cap nucleotide on a eukaryotic mRNA?

Matching Choose the correct answer from the list.Not all the answers will be used. -The expressed sequences of eukaryotic pre-mRNAs are known as ______.

Which of the following are components of the spliceosome? (I)primary transcript RNA. (II)snRNPs. (III)primary transcript RNA binding proteins.

In eukaryotes all three RNA polymerases recognize

The function of the TATA box is

Which of the following if TRUE regarding prokaryotic DNA polymerase? (I)Abortive initiation is common. (II)RNA polymerase processivity increases with the β clamp. (III)The error rate is 1 in 10⁶. (IV)Initiation of transcription begins at the −10 position.

Matching Choose the correct answer from the list.Not all the answers will be used. -Eukaryotic rRNA genes are transcribed and processed in the ______.

Which of the following increases the stability of the elongation complex during transcription in E.coli?

The phosphorylation of the CTD of RNA polymerase II is important for which phase of transcription?

The processing of pre-rRNAs includes ______. (I)nucleolytic cleavage. (II)snoRNA-assisted methylation. (III)snRNP-assisted methylation.

Introduction to the Chemistry of Life

Water

Nucleotides, nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Carbohydrates

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glucose Catabolism

Glycogen Metabolism and Gluconeogenesis

Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Mammalian Fuel Metabolism: Integration and Regulation

Nucleotide Metabolism

Nucleic Acid Structure

DNA Replication, repair and Recombination

Protein Synthesis

Regulation of Gene Expression

Filters

Exam 26: Transcription and Rna Processing

Which of the following best describes the cap nucleotide on a eukaryotic mRNA?

Matching Choose the correct answer from the list.Not all the answers will be used. -The expressed sequences of eukaryotic pre-mRNAs are known as ______.

Which of the following are components of the spliceosome? (I)primary transcript RNA. (II)snRNPs. (III)primary transcript RNA binding proteins.

In eukaryotes all three RNA polymerases recognize

The function of the TATA box is

Which of the following if TRUE regarding prokaryotic DNA polymerase? (I)Abortive initiation is common. (II)RNA polymerase processivity increases with the β clamp. (III)The error rate is 1 in 106. (IV)Initiation of transcription begins at the −10 position.

Matching Choose the correct answer from the list.Not all the answers will be used. -Eukaryotic rRNA genes are transcribed and processed in the ______.

Which of the following increases the stability of the elongation complex during transcription in E.coli?

The phosphorylation of the CTD of RNA polymerase II is important for which phase of transcription?

The processing of pre-rRNAs includes ______. (I)nucleolytic cleavage. (II)snoRNA-assisted methylation. (III)snRNP-assisted methylation.

Introduction to the Chemistry of Life

Water

Nucleotides, nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Carbohydrates

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glucose Catabolism

Glycogen Metabolism and Gluconeogenesis

Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Mammalian Fuel Metabolism: Integration and Regulation

Nucleotide Metabolism

Nucleic Acid Structure

DNA Replication, repair and Recombination

Protein Synthesis

Regulation of Gene Expression

Filters

Which of the following if TRUE regarding prokaryotic DNA polymerase? (I)Abortive initiation is common. (II)RNA polymerase processivity increases with the β clamp. (III)The error rate is 1 in 10⁶. (IV)Initiation of transcription begins at the −10 position.