Question 1

The error frequency of protein synthesis is approximately __________________.

Accepted Answer

The answer of The error frequency of protein synthesis is...

Question 2

The rate of translation in E. coli is ________ amino acids per second.

Accepted Answer

A)  5 
B)  20 
C)  40 
D)  120 
E)  None of the above. 
A)  5 
B)  20 
C)  40 
D)  120 
E)  None of the above.

Question 3

The actual three-dimensional structure of tRNA is a(n):

Accepted Answer

A)  L-shape. 
B)  cloverleaf. 
C)  twisted triple helix. 
D)  All of the above. 
E)  None of the above. 
A)  L-shape. 
B)  cloverleaf. 
C)  twisted triple helix. 
D)  All of the above. 
E)  None of the above.

Question 4

What is the theory about how palindromic RNA polymerase transcription termination signals function?

Accepted Answer

In the palindromic region, the bases for

Question 5

The genetic code is __________________, in that some amino acids are coded for by more than one codon .

Accepted Answer

The answer of The genetic code is __________________, in that...

Question 6

In preparation for attachment to the tRNA, amino acids are activated by:

Accepted Answer

A)  methylation. 
B)  adenylation. 
C)  dimethylation. 
D)  All of the above. 
E)  None of the above. 
A)  methylation. 
B)  adenylation. 
C)  dimethylation. 
D)  All of the above. 
E)  None of the above.

Question 7

Give an example of how the treatment of diabetes has benefited from the near universality of the genetic code.

Accepted Answer

The protein insulin, used in the treatme

Question 8

Use the following to answer questions 
Choose the correct answer from the list below. Not all of the answers will be used.
-_______________ is a group of ribosomes bound to a single mRNA.

Accepted Answer

A) CCA 3` 
B) polysome 
C) PPi hydrolysis 
D) transcription 
E) translation
F)phosphorylated
G)pG
H)two
I)wobble
J)three
K)charged tRNA
L)30S
M)20S 
A) CCA 3` 
B) polysome 
C) PPi hydrolysis 
D) transcription 
E) translation
F)phosphorylated
G)pG
H)two
I)wobble
J)three
K)charged tRNA
L)30S
M)20S

Question 9

Use the following to answer questions 
Choose the correct answer from the list below. Not all of the answers will be used.
-The term applied to the process of protein synthesis is _______________.

Accepted Answer

A) CCA 3` 
B) polysome 
C) PPi hydrolysis 
D) transcription 
E) translation
F)phosphorylated
G)pG
H)two
I)wobble
J)three
K)charged tRNA
L)30S
M)20S 
A) CCA 3` 
B) polysome 
C) PPi hydrolysis 
D) transcription 
E) translation
F)phosphorylated
G)pG
H)two
I)wobble
J)three
K)charged tRNA
L)30S
M)20S

Question 10

A genetic code which reads 5`CCCACUGUA3` codes for what amino acid sequence?

Accepted Answer

The answer of A genetic code which reads 5`CCCACUGUA3` codes...

Question 11

The start signal for most organisms is:

Accepted Answer

A)  ATG. 
B)  AUG. 
C)  AAA. 
D)  UAA. 
E)  AGG. 
A)  ATG. 
B)  AUG. 
C)  AAA. 
D)  UAA. 
E)  AGG.

Question 12

The synthesis of __________________ is the crucial step in protein synthesis.

Accepted Answer

The answer of The synthesis of __________________ is the crucial...

Question 13

Accuracy during translation occurs because of:

Accepted Answer

A)  codon degeneracy. 
B)  wobble at the third site. 
C)  tRNA specificity in binding the mRNA. 
D)  aminoacyl tRNA charging. 
E)  the structure of mRNA and the stability of that molecule. 
A)  codon degeneracy. 
B)  wobble at the third site. 
C)  tRNA specificity in binding the mRNA. 
D)  aminoacyl tRNA charging. 
E)  the structure of mRNA and the stability of that molecule.

Question 14

What is significant about the direction of transcription and translation?

Accepted Answer

Transcription and translation are both c

Question 15

Aminoacyl-tRNA synthetases contain both an activation site and an __________________ site.

Accepted Answer

The answer of Aminoacyl-tRNA synthetases contain both an activation site...

Question 16

Use the following to answer questions 
Choose the correct answer from the list below. Not all of the answers will be used.
-Another name for an amino acid ester of tRNA is _______________.

Accepted Answer

A) CCA 3` 
B) polysome 
C) PPi hydrolysis 
D) transcription 
E) translation
F)phosphorylated
G)pG
H)two
I)wobble
J)three
K)charged tRNA
L)30S
M)20S 
A) CCA 3` 
B) polysome 
C) PPi hydrolysis 
D) transcription 
E) translation
F)phosphorylated
G)pG
H)two
I)wobble
J)three
K)charged tRNA
L)30S
M)20S

Question 17

What role does the ribosomal RNA play in the 70S ribosome structure?

Accepted Answer

Structurally, the 70S ribosome

Question 18

What is significant about yeast alanyl-tRNA?

Accepted Answer

Alanyl-tRNA from yeast has the

Question 19

How is a high level of fidelity maintained in attaching the amino acids to the tRNA structure?

Accepted Answer

The reaction has very high fidelity in r

Question 20

What is meant by the statement "Degeneracy minimizes the deleterious effects of mutation"?

Accepted Answer

For many amino acids, a mutation, such a

Exam 39: The Genetic Code

The error frequency of protein synthesis is approximately __________________.

The rate of translation in E. coli is ________ amino acids per second.

The actual three-dimensional structure of tRNA is a(n):

What is the theory about how palindromic RNA polymerase transcription termination signals function?

The genetic code is __________________, in that some amino acids are coded for by more than one codon .

In preparation for attachment to the tRNA, amino acids are activated by:

Give an example of how the treatment of diabetes has benefited from the near universality of the genetic code.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -_______________ is a group of ribosomes bound to a single mRNA.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The term applied to the process of protein synthesis is _______________.

A genetic code which reads 5`CCCACUGUA3` codes for what amino acid sequence?

The start signal for most organisms is:

The synthesis of __________________ is the crucial step in protein synthesis.

Accuracy during translation occurs because of:

What is significant about the direction of transcription and translation?

Aminoacyl-tRNA synthetases contain both an activation site and an __________________ site.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -Another name for an amino acid ester of tRNA is _______________.

What role does the ribosomal RNA play in the 70S ribosome structure?

What is significant about yeast alanyl-tRNA?

How is a high level of fidelity maintained in attaching the amino acids to the tRNA structure?

What is meant by the statement "Degeneracy minimizes the deleterious effects of mutation"?

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

RNA Processing in Eukaryotes

The Mechanism of Protein Synthesis

Recombinant Dna Techniques

Filters