Question 1

List three general pathways in which eukaryotic mRNA is typically degraded in eukaryotes.

Accepted Answer

Deadenylation- depen

Question 2

The discovery of RNA interference RNAi)led to its use in biotechnology and medicine.All of the following are examples of how RNAi could be used in biotechnology or medicine,EXCEPT _______.

Accepted Answer

A) to treat a disease characterized by the overexpression of a nonmutated gene 
B) to study loss- of- function phenotypes of specific genes in a model research organism 
C) to treat a disease characterized by the buildup of a specific protein 
D) to treat a disease characterized by the normal expression of a mutated gene 
E) to treat a disease characterized by a gene that is not expressed 
A) to treat a disease characterized by the overexpression of a nonmutated gene 
B) to study loss- of- function phenotypes of specific genes in a model research organism 
C) to treat a disease characterized by the buildup of a specific protein 
D) to treat a disease characterized by the normal expression of a mutated gene 
E) to treat a disease characterized by a gene that is not expressed

Question 3

Compare and contrast kinases and phosphatases.

Accepted Answer

Both are enzymes involved in posttransla

Question 4

mRNA surveillance mechanisms are necessary_______ .

Accepted Answer

A) to recruit general transcription factors to the promoter 
B) in determining which alternative splice site should be used 
C) to eliminate mRNAs with a premature stop codon 
D) for polyadenylation at the 3' end of mRNA 
E) to measure the concentration of mRNAs in the cytoplasm 
A) to recruit general transcription factors to the promoter 
B) in determining which alternative splice site should be used 
C) to eliminate mRNAs with a premature stop codon 
D) for polyadenylation at the 3' end of mRNA 
E) to measure the concentration of mRNAs in the cytoplasm

Question 5

A researcher is studying plant development.She isolates a mutant and discovers that the piece of DNA that is mutated does not code for a protein.However,this piece of DNA is complimentary to a gene known to function in early embryonic plant development.The mutant she identified most likely functions as an_______.
A)general transcription factor known to regulate many different genes
B)ribosomal RNA rRNA)
C)microRNA miRNA)
D)transfer RNA tRNA)
E)intron

Accepted Answer

The answer of A researcher is studying plant development.She isolates...

Question 6

Describe how cells control the size of the poly- A tail on mRNA molecules in order to regulate translation initiation. Next explain how a kinase inhibitor could decrease gene expression in regards to polyadenylation? Your answer should include the following proteins in your answer: Maskin, PARN, CPEB, eIF4E, eIF4G, and Poly- A polymerase.

Accepted Answer

Typically, an mRNA cannot initiate trans

Question 7

Which of the following statements is most true regarding long noncoding RNAs lncRNAs ?

Accepted Answer

A) lncRNAs do not contain a 5' guanine cap or a 3' poly- A- tail. 
B) Some lncRNAs will decrease the activity of miRNAs. 
C) Some lncRNAs regulate alternative splicing. 
D) lncRNAs are characteristically about the same size as sncRNAs. 
E) lncRNAs act only as posttranscriptional regulators and never as pretranscription regulators. 
A) lncRNAs do not contain a 5' guanine cap or a 3' poly- A- tail. 
B) Some lncRNAs will decrease the activity of miRNAs. 
C) Some lncRNAs regulate alternative splicing. 
D) lncRNAs are characteristically about the same size as sncRNAs. 
E) lncRNAs act only as posttranscriptional regulators and never as pretranscription regulators.

Question 8

Adenosine-uridine- rich elements are_______.

Accepted Answer

A) trans- acting elements that bind to mRNA to either degrade or stabilize mRNA 
B) trans- acting elements that bind to mRNA to recruit ribosomes to mRNA for translation initiation 
C) cis- acting elements where ribosomes bind to in order to initiate translation 
D) cis- acting elements that recruit RNA- binding proteins to mRNA to either degrade or stabilize the mRNAs 
E) trans- acting elements that block mRNA splicing 
A) trans- acting elements that bind to mRNA to either degrade or stabilize mRNA 
B) trans- acting elements that bind to mRNA to recruit ribosomes to mRNA for translation initiation 
C) cis- acting elements where ribosomes bind to in order to initiate translation 
D) cis- acting elements that recruit RNA- binding proteins to mRNA to either degrade or stabilize the mRNAs 
E) trans- acting elements that block mRNA splicing

Question 9

A long poly- A- tail is necessary to initiate translation.Which protein binds directly to eIF4E to inhibit translation initiation?

Accepted Answer

A) maskin 
B) PABP 
C) CPEB 
D) PARN 
E) poly- A polymerase 
A) maskin 
B) PABP 
C) CPEB 
D) PARN 
E) poly- A polymerase

List three general pathways in which eukaryotic mRNA is typically degraded in eukaryotes.

The discovery of RNA interference RNAi)led to its use in biotechnology and medicine.All of the following are examples of how RNAi could be used in biotechnology or medicine,EXCEPT _______.

Compare and contrast kinases and phosphatases.

mRNA surveillance mechanisms are necessary_______ .

Which of the following statements is most true regarding long noncoding RNAs lncRNAs ?

Adenosine-uridine- rich elements are_______.

A long poly- A- tail is necessary to initiate translation.Which protein binds directly to eIF4E to inhibit translation initiation?

Introduction to Genetics

Mitosis and Meiosis

Mendelian Genetics

Extensions of Mendelian Genetics

Chromosome Mapping in Eukaryotes

Genetic Analysis and Mapping in Bacteria and Bacteriophages

Sex Determination and Sex Chromosomes

Chromosome Mutations: Variation in Number and Arrangement

Extranuclear Inheritance

DNA Structure and Analysis

DNA Replication and Recombination

DNA Organization in Chromosomes

The Genetic Code and Transcription

Translation and Proteins

Gene Mutation,dna Repair,and Transposition

Regulation of Gene Expression in Bacteria

Transcriptional Regulation in Eukaryotes

Epigenetic Regulation in Eukaryotes

Recombinant Dna Technology

Genomic Analysis

Applications of Genetic Engineering and Biotechnology

Developmental Genetics

Cancer Genetics

Quantitative Genetics and Multifactorial Traits

Population and Evolutionary Genetics

CRISPR and Genomic Editing

DNA Forensics

Genomics and Precision Medicine

Genetically Modified Foods

Gene Therapy

Advances in Neurogenetics: The Study of Huntington Disease

Filters

Exam 18: Post-Transcriptional Regulation in Eukaryotes

List three general pathways in which eukaryotic mRNA is typically degraded in eukaryotes.

The discovery of RNA interference RNAi)led to its use in biotechnology and medicine.All of the following are examples of how RNAi could be used in biotechnology or medicine,EXCEPT _______.

Compare and contrast kinases and phosphatases.

mRNA surveillance mechanisms are necessary_______ .

Which of the following statements is most true regarding long noncoding RNAs lncRNAs ?

Adenosine-uridine- rich elements are_______.

A long poly- A- tail is necessary to initiate translation.Which protein binds directly to eIF4E to inhibit translation initiation?

Introduction to Genetics

Mitosis and Meiosis

Mendelian Genetics

Extensions of Mendelian Genetics

Chromosome Mapping in Eukaryotes

Genetic Analysis and Mapping in Bacteria and Bacteriophages

Sex Determination and Sex Chromosomes

Chromosome Mutations: Variation in Number and Arrangement

Extranuclear Inheritance

DNA Structure and Analysis

DNA Replication and Recombination

DNA Organization in Chromosomes

The Genetic Code and Transcription

Translation and Proteins

Gene Mutation,dna Repair,and Transposition

Regulation of Gene Expression in Bacteria

Transcriptional Regulation in Eukaryotes

Epigenetic Regulation in Eukaryotes

Recombinant Dna Technology

Genomic Analysis

Applications of Genetic Engineering and Biotechnology

Developmental Genetics

Cancer Genetics

Quantitative Genetics and Multifactorial Traits

Population and Evolutionary Genetics

CRISPR and Genomic Editing

DNA Forensics

Genomics and Precision Medicine

Genetically Modified Foods

Gene Therapy

Advances in Neurogenetics: The Study of Huntington Disease

Filters