Question 1

Compare rho-dependent and rho-independent transcription termination in terms of their use of RNA secondary structures.

Accepted Answer

(1)Rho-dependent transcription terminati

Question 2

Which of the following is found on the primary product of transcription but not on a mature mRNA molecule?

Accepted Answer

A) Start codon 
B) Promoter 
C) Exons 
D) Introns 
E) Stop codon 
A) Start codon 
B) Promoter 
C) Exons 
D) Introns 
E) Stop codon

Question 3

In eukaryotes, which RNA polymerase transcribes the genes that encode proteins?

Accepted Answer

A) RNA polymerase I 
B) RNA polymerase II 
C) RNA polymerase III 
D) RNA polymerase IV 
E) RNA polymerase V 
A) RNA polymerase I 
B) RNA polymerase II 
C) RNA polymerase III 
D) RNA polymerase IV 
E) RNA polymerase V

Question 4

In 1958, Francis Crick proposed that genes and their corresponding polypeptides are "colinear." Which of the following statements concerning the concept of colinearity is INCORRECT?

Accepted Answer

A) Colinearity means that the linear nucleotide sequence of a given gene corresponds directly to the linear amino acid sequence in the corresponding polypeptide. 
B) The number of nucleotides in a gene should be precisely proportional to the number of amino acids present in the corresponding polypeptide. 
C) Colinearity generally holds true for the coding regions of prokaryotic viral genes. 
D) The vast majority of eukaryotic genes also follow the concept of colinearity although the size of genes may be larger. 
A) Colinearity means that the linear nucleotide sequence of a given gene corresponds directly to the linear amino acid sequence in the corresponding polypeptide. 
B) The number of nucleotides in a gene should be precisely proportional to the number of amino acids present in the corresponding polypeptide. 
C) Colinearity generally holds true for the coding regions of prokaryotic viral genes. 
D) The vast majority of eukaryotic genes also follow the concept of colinearity although the size of genes may be larger.

Question 5

Which statement about RNA polymerase is NOT true?

Accepted Answer

A) RNA polymerase adds a ribonucleotide to the 3' end of a growing RNA molecule. 
B) RNA polymerase binds to a promoter to initiate transcription. 
C) During transcription of a gene, RNA polymerase reads only one strand of DNA. 
D) RNA polymerase reads a template strand of DNA 5'to 3'. 
E) RNA polymerase has many subunits. 
A) RNA polymerase adds a ribonucleotide to the 3' end of a growing RNA molecule. 
B) RNA polymerase binds to a promoter to initiate transcription. 
C) During transcription of a gene, RNA polymerase reads only one strand of DNA. 
D) RNA polymerase reads a template strand of DNA 5'to 3'. 
E) RNA polymerase has many subunits.

Question 6

In your own words, list a comprehensive definition for "gene" at the molecular level.

Accepted Answer

A gene is a sequence of DNA, i

Question 7

An in vitro transcription system that contains a bacterial gene does not initiate transcription.What is one possible problem?

Accepted Answer

A) Histones that were on the DNA when it was isolated from E.coli are blocking access to the template. 
B) There is a mutation in the inverted repeat sequence that prevents a hairpin secondary structure from forming. 
C) There is a mutation at -10, where a promoter consensus sequence is located. 
D) Rho factor has not been added. 
E) TATA-binding protein (TBP)has not been added. 
A) Histones that were on the DNA when it was isolated from E.coli are blocking access to the template. 
B) There is a mutation in the inverted repeat sequence that prevents a hairpin secondary structure from forming. 
C) There is a mutation at -10, where a promoter consensus sequence is located. 
D) Rho factor has not been added. 
E) TATA-binding protein (TBP)has not been added.

Question 8

During transcription, which parts of a DNA molecule are transcribed into RNA?

Accepted Answer

A) All of the nucleotides in DNA on both strands 
B) All of the nucleotides on one strand of DNA 
C) Only parts of the DNA that encode mRNA 
D) Only regions of the DNA that contain genes 
E) Only regions of the DNA that encode rRNA 
A) All of the nucleotides in DNA on both strands 
B) All of the nucleotides on one strand of DNA 
C) Only parts of the DNA that encode mRNA 
D) Only regions of the DNA that contain genes 
E) Only regions of the DNA that encode rRNA

Question 9

What is the function of eukaryotic RNA polymerase I?

Accepted Answer

A) Transcription of rRNA genes 
B) Transcription of mRNA genes 
C) Transcription of tRNA genes 
D) Transcription of snRNAs 
E) Initiation of transcription (but not elongation) 
A) Transcription of rRNA genes 
B) Transcription of mRNA genes 
C) Transcription of tRNA genes 
D) Transcription of snRNAs 
E) Initiation of transcription (but not elongation)

Question 10

If you were asked to isolate total RNA from two unknown samples and then were required to identify if the RNA was from prokaryotes or eukaryotes, what aspects regarding the classes of RNA present would help you distinguish one from the other?

Accepted Answer

RNA from prokaryotes will cont

Compare rho-dependent and rho-independent transcription termination in terms of their use of RNA secondary structures.

Which of the following is found on the primary product of transcription but not on a mature mRNA molecule?

In eukaryotes, which RNA polymerase transcribes the genes that encode proteins?

In 1958, Francis Crick proposed that genes and their corresponding polypeptides are "colinear." Which of the following statements concerning the concept of colinearity is INCORRECT?

Which statement about RNA polymerase is NOT true?

In your own words, list a comprehensive definition for "gene" at the molecular level.

An in vitro transcription system that contains a bacterial gene does not initiate transcription.What is one possible problem?

During transcription, which parts of a DNA molecule are transcribed into RNA?

What is the function of eukaryotic RNA polymerase I?

If you were asked to isolate total RNA from two unknown samples and then were required to identify if the RNA was from prokaryotes or eukaryotes, what aspects regarding the classes of RNA present would help you distinguish one from the other?

Introduction to Genetics

Chromosomes and Cellular Reproduction

Basic Principles of Heredity

Sex Determination and Sex-Linked Characteristics

Linkage, Recombination, and Eukaryotic Gene Mapping

Chromosome Variation

Bacterial and Viral Genetic Systems

DNA- the Chemical Nature of the Gene

DNA Replication and Recombination

From DNA to Protein- Translation

Control of Gene Expression

Gene Mutations, Transposable Elements, and Dna Repair

Molecular Genetic Analysis and Biotechnology

Genomics and Proteomics

Cancer Genetics

Quantitative Genetics

Population and Evolutionary Genetics

Filters

Exam 10: From DNA to Proteins- Transcription and Rna Processing

Compare rho-dependent and rho-independent transcription termination in terms of their use of RNA secondary structures.

Which of the following is found on the primary product of transcription but not on a mature mRNA molecule?

In eukaryotes, which RNA polymerase transcribes the genes that encode proteins?

In 1958, Francis Crick proposed that genes and their corresponding polypeptides are "colinear." Which of the following statements concerning the concept of colinearity is INCORRECT?

Which statement about RNA polymerase is NOT true?

In your own words, list a comprehensive definition for "gene" at the molecular level.

An in vitro transcription system that contains a bacterial gene does not initiate transcription.What is one possible problem?

During transcription, which parts of a DNA molecule are transcribed into RNA?

What is the function of eukaryotic RNA polymerase I?

If you were asked to isolate total RNA from two unknown samples and then were required to identify if the RNA was from prokaryotes or eukaryotes, what aspects regarding the classes of RNA present would help you distinguish one from the other?

Introduction to Genetics

Chromosomes and Cellular Reproduction

Basic Principles of Heredity

Sex Determination and Sex-Linked Characteristics

Linkage, Recombination, and Eukaryotic Gene Mapping

Chromosome Variation

Bacterial and Viral Genetic Systems

DNA- the Chemical Nature of the Gene

DNA Replication and Recombination

From DNA to Protein- Translation

Control of Gene Expression

Gene Mutations, Transposable Elements, and Dna Repair

Molecular Genetic Analysis and Biotechnology

Genomics and Proteomics

Cancer Genetics

Quantitative Genetics

Population and Evolutionary Genetics

Filters