Question 1

The immediate product of RNA polymerase II is often referred to as _________________.

Accepted Answer

pre-mRNA

Question 2

Improper splicing that leads to improper hemoglobin synthesis may cause the disease known as _________________.

Accepted Answer

thalassemia

Question 3

The percentage of diseases caused by mutations that affect mRNA splicing is:

Accepted Answer

A)  2 
B)  15 
C)  20 
D)  30 
E)  None of the above. 
A)  2 
B)  15 
C)  20 
D)  30 
E)  None of the above. B

Question 4

Diseases caused by mutations in pre-mRNA or in the splicing factors include:

Accepted Answer

A)  Burkett lymphoma. 
B)  thalassemia. 
C)  retinitis pigmentosa. 
D)  A and C. 
E)  A, B, and C. 
A)  Burkett lymphoma. 
B)  thalassemia. 
C)  retinitis pigmentosa. 
D)  A and C. 
E)  A, B, and C.

Question 5

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-______________ transcription gives rise to three ribosomal components.

Accepted Answer

A) poly(
A)  tail 
B) methylation 
C) alternative splicing 
D) spliceosome 
E) U2 and U6
F)U4, U5, and U6
G)spliced
H)translation
I)RNA editing
J)GU
K)ribozyme
L)RNA polymerase I
M)ATP 
A) poly(
A)  tail 
B) methylation 
C) alternative splicing 
D) spliceosome 
E) U2 and U6
F)U4, U5, and U6
G)spliced
H)translation
I)RNA editing
J)GU
K)ribozyme
L)RNA polymerase I
M)ATP

Question 6

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-______________ is a common rRNA modification.

Accepted Answer

A) poly(
A)  tail 
B) methylation 
C) alternative splicing 
D) spliceosome 
E) U2 and U6
F)U4, U5, and U6
G)spliced
H)translation
I)RNA editing
J)GU
K)ribozyme
L)RNA polymerase I
M)ATP 
A) poly(
A)  tail 
B) methylation 
C) alternative splicing 
D) spliceosome 
E) U2 and U6
F)U4, U5, and U6
G)spliced
H)translation
I)RNA editing
J)GU
K)ribozyme
L)RNA polymerase I
M)ATP

Question 7

Which of the following modifications are made to eukaryotic tRNA transcripts?

Accepted Answer

A)  modification of base and ribose moieties 
B)  removal of the 3` trailer 
C)  cleavage of the 5` leader by RNase P 
D)  CCA is added. 
E)  All of the above. 
A)  modification of base and ribose moieties 
B)  removal of the 3` trailer 
C)  cleavage of the 5` leader by RNase P 
D)  CCA is added. 
E)  All of the above.

Question 8

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-Nearly all mRNA precursors in higher eukaryotes are ______________.

Accepted Answer

A) poly(
A)  tail 
B) methylation 
C) alternative splicing 
D) spliceosome 
E) U2 and U6
F)U4, U5, and U6
G)spliced
H)translation
I)RNA editing
J)GU
K)ribozyme
L)RNA polymerase I
M)ATP 
A) poly(
A)  tail 
B) methylation 
C) alternative splicing 
D) spliceosome 
E) U2 and U6
F)U4, U5, and U6
G)spliced
H)translation
I)RNA editing
J)GU
K)ribozyme
L)RNA polymerase I
M)ATP

Question 9

How is the mature 3` end of mRNA formed?

Accepted Answer

The consensus sequence of AAUAAA is part

Question 10

The small subunit of ribosomal RNA is _________________ S.

Accepted Answer

The answer of The small subunit of ribosomal RNA is...

Question 11

RNA self-splicing demonstrates the role of RNA as a(n) _________________.

Accepted Answer

The answer of RNA self-splicing demonstrates the role of RNA...

Question 12

What role do small nucleolar ribonucleoproteins (snoRNPs) play in RNA processing?

Accepted Answer

snoRNPs direct the extensive modificatio

Question 13

The polypyrimadine tract:

Accepted Answer

A)  is found at the 3` end of an intron. 
B)  is a consensus sequence. 
C)  contains a stretch of 10 pyrimidines. 
D)  All of the above. 
E)  None of the above. 
A)  is found at the 3` end of an intron. 
B)  is a consensus sequence. 
C)  contains a stretch of 10 pyrimidines. 
D)  All of the above. 
E)  None of the above.

Question 14

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-mRNA precursors may be spliced by ______________ complexes.

Accepted Answer

A) poly(
A)  tail 
B) methylation 
C) alternative splicing 
D) spliceosome 
E) U2 and U6
F)U4, U5, and U6
G)spliced
H)translation
I)RNA editing
J)GU
K)ribozyme
L)RNA polymerase I
M)ATP 
A) poly(
A)  tail 
B) methylation 
C) alternative splicing 
D) spliceosome 
E) U2 and U6
F)U4, U5, and U6
G)spliced
H)translation
I)RNA editing
J)GU
K)ribozyme
L)RNA polymerase I
M)ATP

Question 15

How are introns detected for splicing?

Accepted Answer

Splice sites are marked with s

Question 16

Approximately how many mRNA transcripts in higher eukaryotes undergo processing?

Accepted Answer

Nearly all mRNA prec

Question 17

Noncoding regions of RNA are called:

Accepted Answer

A)  nonsense RNA. 
B)  empty RNA. 
C)  intron RNA. 
D)  exon RNA. 
E)  precursor RNA. 
A)  nonsense RNA. 
B)  empty RNA. 
C)  intron RNA. 
D)  exon RNA. 
E)  precursor RNA.

Question 18

Self-splicing by RNA requires a _________________ cofactor.

Accepted Answer

The answer of Self-splicing by RNA requires a _________________ cofactor....

Question 19

RNA polymerase I transcribes the genes for:

Accepted Answer

A)  mRNA precursors. 
B)  18S, 5.8S, and 28S rRNA. 
C)  most tRNA. 
D)  All of the above. 
E)  None of the above. 
A)  mRNA precursors. 
B)  18S, 5.8S, and 28S rRNA. 
C)  most tRNA. 
D)  All of the above. 
E)  None of the above.

Question 20

Recognition of the 5` splice site by _________________ is the first step in splicing.

Accepted Answer

The answer of Recognition of the 5` splice site by...

Exam 38: RNA Processing in Eukaryotes

The immediate product of RNA polymerase II is often referred to as _________________.

Improper splicing that leads to improper hemoglobin synthesis may cause the disease known as _________________.

The percentage of diseases caused by mutations that affect mRNA splicing is:

Diseases caused by mutations in pre-mRNA or in the splicing factors include:

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -______________ transcription gives rise to three ribosomal components.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -______________ is a common rRNA modification.

Which of the following modifications are made to eukaryotic tRNA transcripts?

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -Nearly all mRNA precursors in higher eukaryotes are ______________.

How is the mature 3` end of mRNA formed?

The small subunit of ribosomal RNA is _________________ S.

RNA self-splicing demonstrates the role of RNA as a(n) _________________.

What role do small nucleolar ribonucleoproteins (snoRNPs) play in RNA processing?

The polypyrimadine tract:

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -mRNA precursors may be spliced by ______________ complexes.

How are introns detected for splicing?

Approximately how many mRNA transcripts in higher eukaryotes undergo processing?

Noncoding regions of RNA are called:

Self-splicing by RNA requires a _________________ cofactor.

RNA polymerase I transcribes the genes for:

Recognition of the 5` splice site by _________________ is the first step in splicing.

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

Gene Expression in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant Dna Techniques

Filters