Question 1

Distinguish between the 5`-mRNA caps designated cap 0, cap 1, and cap 2.

Accepted Answer

All three designations refer to modifica

Question 2

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-Introns to be spliced start with this sequence of ______________ .

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 3

Guanosine cofactor is used in what mechanism?

Accepted Answer

Guanosine or guanine nucleotid

Question 4

Explain the modifications of tRNA.

Accepted Answer

tRNA is heavily modified, ofte

Question 5

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 6

RNA polymerase III is responsible for the transcription of:

Accepted Answer

A)  18S rRNA. 
B)  28S rRNA. 
C)  tRNA. 
D)  mRNA. 
E)  A and B. 
A)  18S rRNA. 
B)  28S rRNA. 
C)  tRNA. 
D)  mRNA. 
E)  A and B.

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 a mechanism of splicing that allows diversity in the proteins generated from a particular gene.

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

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

Accepted Answer

alternativ

Question 9

Use the following to answer questions
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

Question 10

What is the catalytic chemistry of mRNA splicing?

Accepted Answer

RNA splicing is catalyzed by the spliceo

Question 11

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-An RNA molecule that is catalytic is called a(n) ______________.

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 12

What is the role of GTP in self-splicing?

Accepted Answer

GTP serves as the tr

Question 13

mRNA is transcribed by:

Accepted Answer

A)  RNA polymerase I. 
B)  RNA polymerase II. 
C)  RNA polymerase III. 
D)  All of the above. 
E)  None of the above. 
A)  RNA polymerase I. 
B)  RNA polymerase II. 
C)  RNA polymerase III. 
D)  All of the above. 
E)  None of the above.

Question 14

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

Accepted Answer

The answer of At least __________ % of all genetic...

Question 15

What is present in the spliceosome complex?

Accepted Answer

The spliceosome complex contai

Question 16

Two proteins, X and Y, are highly homologous with many identical domains. However, protein Y has two cassettes of amino acid sequences that are not found in X. Explain.

Accepted Answer

The differences are likely due

Question 17

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

Accepted Answer

The 5` cap protects the 5` ter

Question 18

Use the following to answer questions
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

What are the two types of splicing categories?

Accepted Answer

The reactions are grouped in c

Question 20

______________ is used to form cap 0 of mRNA.

Accepted Answer

A)  S-adenosylmethionine 
B)  Cysteine 
C)  Biotin 
D)  Methanol 
E)  Dimethyl-RNA methylase 
A)  S-adenosylmethionine 
B)  Cysteine 
C)  Biotin 
D)  Methanol 
E)  Dimethyl-RNA methylase

Exam 38: RNA Processing in Eukaryotes

Distinguish between the 5`-mRNA caps designated cap 0, cap 1, and cap 2.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -Introns to be spliced start with this sequence of ______________ .

Guanosine cofactor is used in what mechanism?

Explain the modifications of tRNA.

The function of guanosine in self-splicing is:

RNA polymerase III is responsible for the transcription of:

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -______________ is a mechanism of splicing that allows diversity in the proteins generated from a particular gene.

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

Use the following to answer questions 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 ______________.

What is the catalytic chemistry of mRNA splicing?

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -An RNA molecule that is catalytic is called a(n) ______________.

What is the role of GTP in self-splicing?

mRNA is transcribed by:

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

What is present in the spliceosome complex?

Two proteins, X and Y, are highly homologous with many identical domains. However, protein Y has two cassettes of amino acid sequences that are not found in X. Explain.

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

Use the following to answer questions 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.

What are the two types of splicing categories?

______________ is used to form cap 0 of mRNA.

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