Question 1

Which of the following elements would not be found on an mRNA molecule?

Accepted Answer

A) Protein-coding region 
B) 3'untranslated region 
C) 5' untranslated region 
D) Promoter 
E) Start and stop codons 
A) Protein-coding region 
B) 3'untranslated region 
C) 5' untranslated region 
D) Promoter 
E) Start and stop codons

Question 2

Which of the following classes of RNAs is unique to the eukaryotes?

Accepted Answer

A) Messenger RNA (mRN
A)  
B) Ribosomal RNA (rRN
A)  
C) Transfer RNA (tRN
A)  
D) Small nuclear RNAs (snRNAs) 
E) CRISPR RNAs (crRNAs) 
A) Messenger RNA (mRN
A)  
B) Ribosomal RNA (rRN
A)  
C) Transfer RNA (tRN
A)  
D) Small nuclear RNAs (snRNAs) 
E) CRISPR RNAs (crRNAs)

Question 3

Which of the following is a type of RNA that gets translated?

Accepted Answer

A) rRNA 
B) mRNA 
C) tRNA 
D) miRNA 
E) rRNA, mRNA, and tRNA all get translated. 
A) rRNA 
B) mRNA 
C) tRNA 
D) miRNA 
E) rRNA, mRNA, and tRNA all get translated.

Question 4

Prokaryotic promoters contain the sequence TATAAT at a position _____ from the transcription start.

Accepted Answer

A) +1 
B) -1 
C) -10 
D) -25 
E) -35 
A) +1 
B) -1 
C) -10 
D) -25 
E) -35

Question 5

An in vitro transcription system that contains a bacterial gene initiates transcription but from random points on the DNA.Which of the following proteins MOST likely is missing from the reaction?

Accepted Answer

A) Sigma factor 
B) Rho factor 
C) RNA polymerase II 
D) TATA-binding protein (TBP) 
E) TFIID 
A) Sigma factor 
B) Rho factor 
C) RNA polymerase II 
D) TATA-binding protein (TBP) 
E) TFIID

Question 6

When this molecule is synthesized, both strands of a DNA molecule are used as a template.

Accepted Answer

A) RNA only 
B) DNA only 
C) Both RNA and DNA 
D) Neither RNA nor DNA 
A) RNA only 
B) DNA only 
C) Both RNA and DNA 
D) Neither RNA nor DNA

Question 7

The discovery of ribozymes led to the theory that the evolution of life on Earth began with an "RNA world." Describe the chemical properties and functions of RNA that would allow it to be the basis of the first self-replicating systems.

Accepted Answer

(1)As a nucleic acid, RNA can serve as a

Question 8

_____ probably began the evolution of life on Earth.

Accepted Answer

A) DNA 
B) RNA promoters 
C) DNA polymerases 
D) RNA polymerases 
E) Ribozymes 
A) DNA 
B) RNA promoters 
C) DNA polymerases 
D) RNA polymerases 
E) Ribozymes

Question 9

In transcription, to which end of the elongating strand are nucleotides always added?

Accepted Answer

A) 3' 
B) 5' 
C) 3'in prokaryotes and 5' in eukaryotes 
D) It depends on which RNA polymerase is being used. 
E) It depends on which DNA strand is being used as the template. 
A) 3' 
B) 5' 
C) 3'in prokaryotes and 5' in eukaryotes 
D) It depends on which RNA polymerase is being used. 
E) It depends on which DNA strand is being used as the template.

Question 10

For a time, a gene was commonly considered to be a sequence of DNA that encodes a polypeptide.Critique this outdated notion of what a gene is and propose a more comprehensive definition.

Accepted Answer

There are many problems with this simple

Question 11

How many introns are present on a gene that consists of four exons?

Accepted Answer

A) two 
B) three 
C) four 
D) five 
E) The number cannot be determined from the information provided. 
A) two 
B) three 
C) four 
D) five 
E) The number cannot be determined from the information provided.

Question 12

In a transcription reaction, two phosphate groups are cleaved from the incoming:

Accepted Answer

A) deoxyribonucleoside diphosphate. 
B) deoxyribonucleoside triphosphate. 
C) ribonucleoside diphosphate. 
D) ribonucleoside triphosphate. 
E) ribozyme. 
A) deoxyribonucleoside diphosphate. 
B) deoxyribonucleoside triphosphate. 
C) ribonucleoside diphosphate. 
D) ribonucleoside triphosphate. 
E) ribozyme.

Question 13

The polymerase that synthesizes this molecule uses DNA as a template and synthesizes new strands from 5'to 3'.

Accepted Answer

A) RNA only 
B) DNA only 
C) Both RNA and DNA 
D) Neither RNA nor DNA 
A) RNA only 
B) DNA only 
C) Both RNA and DNA 
D) Neither RNA nor DNA

Question 14

What is an snRNP and what role does it play in the cell?

Accepted Answer

A small nuclear ribonucleoprot

Question 15

Discuss the features of C.elegans that makes it an important model system for studies of animal genetics and development.Include in your answer some unique features of C.elegans compared to other model systems.

Accepted Answer

C.elegans is a small nematode worm that

Question 16

The spliceosome is a large, ribonucleoprotein complex located in the:

Accepted Answer

A) cytoplasm. 
B) endoplasmic reticulum. 
C) Golgi. 
D) nucleus. 
E) nucleolus. 
A) cytoplasm. 
B) endoplasmic reticulum. 
C) Golgi. 
D) nucleus. 
E) nucleolus.

Question 17

If the sequence of an RNA molecule is 5'GGCAUCGACG 3', what is the sequence of the nontemplate strand of DNA?

Accepted Answer

A) 5' GGCATCGACG 3' 
B) 3' GGCATCGACG 5' 
C) 5' CCGTAGCTGC 3' 
D) 3'CCGTAGCTGC 5' 
E) 3' CGTCGATGCC 5' 
A) 5' GGCATCGACG 3' 
B) 3' GGCATCGACG 5' 
C) 5' CCGTAGCTGC 3' 
D) 3'CCGTAGCTGC 5' 
E) 3' CGTCGATGCC 5'

Question 18

This molecule is synthesized using nucleotides containing the bases adenine, guanine, cytosine, and uracil.

Accepted Answer

A) RNA only 
B) DNA only 
C) Both RNA and DNA 
D) Neither RNA nor DNA 
A) RNA only 
B) DNA only 
C) Both RNA and DNA 
D) Neither RNA nor DNA

Question 19

This molecule is synthesized using triphosphate nucleotides as a substrate for a polymerase enzyme that forms phosphodiester bonds.

Accepted Answer

A) RNA only 
B) DNA only 
C) Both RNA and DNA 
D) Neither RNA nor DNA 
A) RNA only 
B) DNA only 
C) Both RNA and DNA 
D) Neither RNA nor DNA

Question 20

The human gene encoding for calcitonin contains six exons and five introns and is located on chromosome 11.The pre-mRNA transcript from this gene can generate either calcitonin or calcitonin gene related peptide (CGRP)in a tissue-specific manner.Calcitonin produced from the thyroid gland is 32 amino acids long and functions to regulate the calcium while CGRP, which contains 37 amino acids, is produced by the brain cells and involved in transmission of pain.Which of the following processes makes production of two functionally and structurally different proteins from the same gene possible?

Accepted Answer

A) Self-spicing introns 
B) Differential transcription 
C) Alternative replication 
D) 5' capping and polyadenylation 
E) Alternative RNA processing 
A) Self-spicing introns 
B) Differential transcription 
C) Alternative replication 
D) 5' capping and polyadenylation 
E) Alternative RNA processing

Which of the following elements would not be found on an mRNA molecule?

Which of the following classes of RNAs is unique to the eukaryotes?

Which of the following is a type of RNA that gets translated?

Prokaryotic promoters contain the sequence TATAAT at a position _____ from the transcription start.

An in vitro transcription system that contains a bacterial gene initiates transcription but from random points on the DNA.Which of the following proteins MOST likely is missing from the reaction?

When this molecule is synthesized, both strands of a DNA molecule are used as a template.

The discovery of ribozymes led to the theory that the evolution of life on Earth began with an "RNA world." Describe the chemical properties and functions of RNA that would allow it to be the basis of the first self-replicating systems.

_____ probably began the evolution of life on Earth.

In transcription, to which end of the elongating strand are nucleotides always added?

For a time, a gene was commonly considered to be a sequence of DNA that encodes a polypeptide.Critique this outdated notion of what a gene is and propose a more comprehensive definition.

How many introns are present on a gene that consists of four exons?

In a transcription reaction, two phosphate groups are cleaved from the incoming:

The polymerase that synthesizes this molecule uses DNA as a template and synthesizes new strands from 5'to 3'.

What is an snRNP and what role does it play in the cell?

Discuss the features of C.elegans that makes it an important model system for studies of animal genetics and development.Include in your answer some unique features of C.elegans compared to other model systems.

The spliceosome is a large, ribonucleoprotein complex located in the:

If the sequence of an RNA molecule is 5'GGCAUCGACG 3', what is the sequence of the nontemplate strand of DNA?

This molecule is synthesized using nucleotides containing the bases adenine, guanine, cytosine, and uracil.

This molecule is synthesized using triphosphate nucleotides as a substrate for a polymerase enzyme that forms phosphodiester bonds.

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

Which of the following elements would not be found on an mRNA molecule?

Which of the following classes of RNAs is unique to the eukaryotes?

Which of the following is a type of RNA that gets translated?

Prokaryotic promoters contain the sequence TATAAT at a position _____ from the transcription start.

An in vitro transcription system that contains a bacterial gene initiates transcription but from random points on the DNA.Which of the following proteins MOST likely is missing from the reaction?

When this molecule is synthesized, both strands of a DNA molecule are used as a template.

The discovery of ribozymes led to the theory that the evolution of life on Earth began with an "RNA world." Describe the chemical properties and functions of RNA that would allow it to be the basis of the first self-replicating systems.

_____ probably began the evolution of life on Earth.

In transcription, to which end of the elongating strand are nucleotides always added?

For a time, a gene was commonly considered to be a sequence of DNA that encodes a polypeptide.Critique this outdated notion of what a gene is and propose a more comprehensive definition.

How many introns are present on a gene that consists of four exons?

In a transcription reaction, two phosphate groups are cleaved from the incoming:

The polymerase that synthesizes this molecule uses DNA as a template and synthesizes new strands from 5'to 3'.

What is an snRNP and what role does it play in the cell?

Discuss the features of C.elegans that makes it an important model system for studies of animal genetics and development.Include in your answer some unique features of C.elegans compared to other model systems.

The spliceosome is a large, ribonucleoprotein complex located in the:

If the sequence of an RNA molecule is 5'GGCAUCGACG 3', what is the sequence of the nontemplate strand of DNA?

This molecule is synthesized using nucleotides containing the bases adenine, guanine, cytosine, and uracil.

This molecule is synthesized using triphosphate nucleotides as a substrate for a polymerase enzyme that forms phosphodiester bonds.

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