Question 1

Name the three stages of RNA synthesis.

Accepted Answer

The three stages of

Question 2

Structural diversity of tRNA molecules is caused by:

Accepted Answer

A)  folding patterns. 
B)  methylation of the ribose. 
C)  poly(
A)  tailing. 
D)  All of the above. 
E)  None of the above. 
A)  folding patterns. 
B)  methylation of the ribose. 
C)  poly(
A)  tailing. 
D)  All of the above. 
E)  None of the above.

Question 3

coli induce the expression of proteins important for lactose metabolism?

Accepted Answer

Lactose is partially metaboliz

Question 4

The structure of DNA must be in which complex for transcription to occur?

Accepted Answer

A)  the closed promoter complex 
B)  the biphasic promoter complex 
C)  the open promoter complex 
D)  All of the above. 
E)  None of the above. 
A)  the closed promoter complex 
B)  the biphasic promoter complex 
C)  the open promoter complex 
D)  All of the above. 
E)  None of the above.

Question 5

Functions of RNA polymerase include:

Accepted Answer

A)  searching for promoter sites. 
B)  unwinding short stretches of DNA. 
C)  detecting termination signals. 
D)  A and C. 
E)  A, B, and C. 
A)  searching for promoter sites. 
B)  unwinding short stretches of DNA. 
C)  detecting termination signals. 
D)  A and C. 
E)  A, B, and C.

Question 6

Choose the correct answer from the list below. Not all of the answers will be used.
-______________ is a required cofactor for RNA polymerase.

Accepted Answer

A) divalent cation 
B) primer 
C) stem loop 
D) operon 
E) consensus
F)amanitin
G)transcription
H)translation
I)repressor
J)transcription bubble
K)catabolite repression
L)promoters 
A) divalent cation 
B) primer 
C) stem loop 
D) operon 
E) consensus
F)amanitin
G)transcription
H)translation
I)repressor
J)transcription bubble
K)catabolite repression
L)promoters

Question 7

The major RNA types include:

Accepted Answer

A)  messenger RNA 
B)  template RNA 
C)  ribase RNA 
D)  All of the above. 
E)  None of the above. 
A)  messenger RNA 
B)  template RNA 
C)  ribase RNA 
D)  All of the above. 
E)  None of the above.

Question 8

How is the expression of the lac operon inhibited by the lac repressor?

Accepted Answer

The repressor protein binds ti

Question 9

coli culture results in _________________ of expression of the lac operon.

Accepted Answer

The answer of coli culture results in _________________ of expression...

Question 10

What are the DNA components of a regulatory system?

Accepted Answer

A regulator gene, an operator

Question 11

What is a common feature of both protein-dependent and protein-independent termination signals in transcription?

Accepted Answer

The signals that mediate termi

Question 12

Many antibiotics, such as rifampicin, function by blocking _________________.

Accepted Answer

The answer of Many antibiotics, such as rifampicin, function by...

Question 13

Choose the correct answer from the list below. Not all of the answers will be used.
-______________: A group of genes that are closely related and are produced as a single mRNA.

Accepted Answer

A) divalent cation 
B) primer 
C) stem loop 
D) operon 
E) consensus
F)amanitin
G)transcription
H)translation
I)repressor
J)transcription bubble
K)catabolite repression
L)promoters 
A) divalent cation 
B) primer 
C) stem loop 
D) operon 
E) consensus
F)amanitin
G)transcription
H)translation
I)repressor
J)transcription bubble
K)catabolite repression
L)promoters

Question 14

The coding strand has the _________________ sequence as the RNA transcript (except that it has T instead of U).

Accepted Answer

The answer of The coding strand has the _________________ sequence...

Question 15

What is the significance of the σ subunit?

Accepted Answer

The σ subunit contributes to initiation

Question 16

What is the social interaction known as quorum sensing and how does it change gene expression?

Accepted Answer

As bacteria cells grow, they release a c

Question 17

Choose the correct answer from the list below. Not all of the answers will be used.
-______________: Sequences deduced from the analysis of many related DNA sequences.

Accepted Answer

A) divalent cation 
B) primer 
C) stem loop 
D) operon 
E) consensus
F)amanitin
G)transcription
H)translation
I)repressor
J)transcription bubble
K)catabolite repression
L)promoters 
A) divalent cation 
B) primer 
C) stem loop 
D) operon 
E) consensus
F)amanitin
G)transcription
H)translation
I)repressor
J)transcription bubble
K)catabolite repression
L)promoters

Question 18

How does the antibiotic rifamycin function mechanistically?

Accepted Answer

Rifamycin functions by interfe

Question 19

Choose the correct answer from the list below. Not all of the answers will be used.
-An increase in cellular metabolism that inhibits expression of the genes for that metabolism is a process known as ______________.

Accepted Answer

A) divalent cation 
B) primer 
C) stem loop 
D) operon 
E) consensus
F)amanitin
G)transcription
H)translation
I)repressor
J)transcription bubble
K)catabolite repression
L)promoters 
A) divalent cation 
B) primer 
C) stem loop 
D) operon 
E) consensus
F)amanitin
G)transcription
H)translation
I)repressor
J)transcription bubble
K)catabolite repression
L)promoters

Question 20

How does RNA polymerase find the proper binding site?

Accepted Answer

The RNA polymerase b

Exam 36: RNA Synthesis and Regulation in Prokaryotes

Name the three stages of RNA synthesis.

Structural diversity of tRNA molecules is caused by:

coli induce the expression of proteins important for lactose metabolism?

The structure of DNA must be in which complex for transcription to occur?

Functions of RNA polymerase include:

Choose the correct answer from the list below. Not all of the answers will be used. -______________ is a required cofactor for RNA polymerase.

The major RNA types include:

How is the expression of the lac operon inhibited by the lac repressor?

coli culture results in _________________ of expression of the lac operon.

What are the DNA components of a regulatory system?

What is a common feature of both protein-dependent and protein-independent termination signals in transcription?

Many antibiotics, such as rifampicin, function by blocking _________________.

Choose the correct answer from the list below. Not all of the answers will be used. -______________: A group of genes that are closely related and are produced as a single mRNA.

The coding strand has the _________________ sequence as the RNA transcript (except that it has T instead of U).

What is the significance of the σ subunit?

What is the social interaction known as quorum sensing and how does it change gene expression?

Choose the correct answer from the list below. Not all of the answers will be used. -______________: Sequences deduced from the analysis of many related DNA sequences.

How does the antibiotic rifamycin function mechanistically?

Choose the correct answer from the list below. Not all of the answers will be used. -An increase in cellular metabolism that inhibits expression of the genes for that metabolism is a process known as ______________.

How does RNA polymerase find the proper binding site?

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

Gene Expression in Eukaryotes

RNA Processing in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant DNA Techniques

Filters