Question 1

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

Accepted Answer

snoRNPs direct the extensive modification of nucleotides in pre-rRNA. These modifications occur on both ribose and based components and include methylation reactions and the formation of pseudouridine.

Question 2

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. C

Question 3

At least __________ % of all genetic diseases are caused by mutations that affect RNA splicing.

Accepted Answer

15

Question 4

How are introns detected for splicing?

Accepted Answer

Splice sites are marked with s

Question 5

The small subunit of ribosomal RNA is _________________ S.

Accepted Answer

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

Question 6

The function of guanosine in self-splicing is:

Accepted Answer

A)  to provide energy. 
B)  as an attacking group. 
C)  as a necessary base for RNA editing. 
D)  All of the above. 
E)  None of the above. 
A)  to provide energy. 
B)  as an attacking group. 
C)  as a necessary base for RNA editing. 
D)  All of the above. 
E)  None of the above.

Question 7

Choose the correct answer from the list below. Not all of the answers will be used.
-______________: These small nuclear RNAs form the catalytic center of the spliceosome.

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 8

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

Accepted Answer

The answer of The immediate product of RNA polymerase II...

Question 9

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 10

What are the two types of splicing categories?

Accepted Answer

The reactions are grouped in c

Question 11

Explain the modifications of tRNA.

Accepted Answer

tRNA is heavily modified, ofte

Question 12

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 13

Diversity in proteins is due to _________________ of the same gene.

Accepted Answer

alternativ

Question 14

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...

Question 15

What is the function of the 5` cap on mRNA transcripts?

Accepted Answer

The 5` cap protects the 5` ter

Question 16

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 17

What is the catalytic chemistry of mRNA splicing?

Accepted Answer

RNA splicing is catalyzed by the spliceo

Question 18

Choose the correct answer from the list below. Not all of the answers will be used.
-______________ is/are elongated sequence(s) that stabilize(s) RNA.

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 19

Guanosine cofactor is used in what mechanism?

Accepted Answer

Guanosine or guanine nucleotid

Question 20

Choose the correct answer from the list below. Not all of the answers will be used.
-A change, other than splicing, made to the base sequence of RNA following transcription is called ______________.

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

Exam 38: RNA Processing in Eukaryotes

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

Noncoding regions of RNA are called:

At least __________ % of all genetic diseases are caused by mutations that affect RNA splicing.

How are introns detected for splicing?

The small subunit of ribosomal RNA is _________________ S.

The function of guanosine in self-splicing is:

Choose the correct answer from the list below. Not all of the answers will be used. -______________: These small nuclear RNAs form the catalytic center of the spliceosome.

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

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

What are the two types of splicing categories?

Explain the modifications of tRNA.

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

Diversity in proteins is due to _________________ of the same gene.

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

What is the function of the 5` cap on mRNA transcripts?

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

What is the catalytic chemistry of mRNA splicing?

Choose the correct answer from the list below. Not all of the answers will be used. -______________ is/are elongated sequence(s) that stabilize(s) RNA.

Guanosine cofactor is used in what mechanism?

Choose the correct answer from the list below. Not all of the answers will be used. -A change, other than splicing, made to the base sequence of RNA following transcription is 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

Gene Expression in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant DNA Techniques

Filters