Question 1

The ratio of _____ is 1:1.

Accepted Answer

A) guanine to adenine 
B) adenine to thymine 
C) cytosine to adenine 
D) uracil to cytosine 
A) guanine to adenine 
B) adenine to thymine 
C) cytosine to adenine 
D) uracil to cytosine

Question 2

The molecule of heredity is

Accepted Answer

A) RNA. 
B) DNA. 
C) protein. 
D) carbohydrate. 
E) None of the choices is correct. 
A) RNA. 
B) DNA. 
C) protein. 
D) carbohydrate. 
E) None of the choices is correct.

Question 3

How many replication forks depart from an origin of replication?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 4

_______ -form DNA spirals to the right and is the major form of naturally occurring DNA molecules.

Accepted Answer

A) A 
B) B 
C) D 
D) Y 
E) Z 
A) A 
B) B 
C) D 
D) Y 
E) Z

Question 5

The step in DNA replication in which two replication forks moving in opposite directions may meet is called

Accepted Answer

A) initiation. 
B) elongation. 
C) termination. 
D) translation. 
E) translocation. 
A) initiation. 
B) elongation. 
C) termination. 
D) translation. 
E) translocation.

Question 6

DNA replication occurs through a _________process.

Accepted Answer

A) conservative 
B) semiconservative 
C) dispersive 
D) transformative 
A) conservative 
B) semiconservative 
C) dispersive 
D) transformative

Question 7

________ bonds are responsible for the chemical affinity between A and T (or G and C) nucleotides.

Accepted Answer

A) Ionic 
B) Covalent 
C) Hydrogen 
D) Hydrophobic 
A) Ionic 
B) Covalent 
C) Hydrogen 
D) Hydrophobic

Question 8

Which of the following is not involved in ensuring the accuracy of a cell's genetic information?

Accepted Answer

A) redundancy 
B) repair enzymes 
C) precision of replication machinery 
D) DNA polymerase proofreading mechanism 
E) restriction endonucleases 
A) redundancy 
B) repair enzymes 
C) precision of replication machinery 
D) DNA polymerase proofreading mechanism 
E) restriction endonucleases

Question 9

Which term describes the ability of a substance to change the genetic characteristics of an organism?

Accepted Answer

A) Transcription 
B) Translation 
C) Transformation 
D) Transposition 
A) Transcription 
B) Translation 
C) Transformation 
D) Transposition

Question 10

The protein that progressively unwinds DNA ahead of each replication fork is called

Accepted Answer

A) primase. 
B) helicase. 
C) topoisomerase. 
D) telomerase. 
E) ligase. 
A) primase. 
B) helicase. 
C) topoisomerase. 
D) telomerase. 
E) ligase.

Question 11

The nucleotide that is present in RNA but not DNA is

Accepted Answer

A) thymine. 
B) uracil. 
C) adenine. 
D) cytosine. 
E) guanine. 
A) thymine. 
B) uracil. 
C) adenine. 
D) cytosine. 
E) guanine.

Question 12

DNA is localized mainly in the

Accepted Answer

A) cell membrane. 
B) endoplasmic reticulum. 
C) vacuoles. 
D) chromosomes. 
A) cell membrane. 
B) endoplasmic reticulum. 
C) vacuoles. 
D) chromosomes.

Question 13

Which of the following properties of RNA is most directly responsible for its ability to form complex shapes?

Accepted Answer

A) The presence of uracil instead of thymine 
B) The fact that RNA is primarily double-stranded 
C) The relative instability of RNA compared to DNA 
D) The fact that RNA is primarily single-stranded 
E) The substitution of deoxyribose in DNA with ribose in RNA 
A) The presence of uracil instead of thymine 
B) The fact that RNA is primarily double-stranded 
C) The relative instability of RNA compared to DNA 
D) The fact that RNA is primarily single-stranded 
E) The substitution of deoxyribose in DNA with ribose in RNA

Question 14

How many origins of replication does the E.coli chromosome contain?

Accepted Answer

A) None 
B) 1 
C) 2 
D) Several 
E) Many 
A) None 
B) 1 
C) 2 
D) Several 
E) Many

The ratio of _____ is 1:1.

The molecule of heredity is

How many replication forks depart from an origin of replication?

_______ -form DNA spirals to the right and is the major form of naturally occurring DNA molecules.

The step in DNA replication in which two replication forks moving in opposite directions may meet is called

DNA replication occurs through a _________process.

________ bonds are responsible for the chemical affinity between A and T (or G and C) nucleotides.

Which of the following is not involved in ensuring the accuracy of a cell's genetic information?

Which term describes the ability of a substance to change the genetic characteristics of an organism?

The protein that progressively unwinds DNA ahead of each replication fork is called

The nucleotide that is present in RNA but not DNA is

DNA is localized mainly in the

Which of the following properties of RNA is most directly responsible for its ability to form complex shapes?

How many origins of replication does the E.coli chromosome contain?

Genetics: The Study of Biological Information

Mendels Principles of Heredity

Extensions to Mendels Laws

The Chromosome Theory of Inheritance

Linkage, Recombination, and the Mapping of Genes on Chromosomes

Anatomy and Function of a Gene: Dissection Through Mutation

Gene Expression: The Flow of Information From DNA to RNA to Protein

Digital Analysis of Genomes

Analyzing Genomic Information

The Eukaryotic Chromosome

Chromosomal Rearrangements and Changes in Chromosome Number

Bacterial Genetics

Organellar Inheritance

Gene Regulation in Prokaryotes

Gene Regulation in Eukaryotes

Manipulating the Genomes of Eukaryotes

The Genetic Analysis of Development

The Genetics of Cancer

Variation and Selection in Populations

Genetics of Complex Traits

Filters

Exam 6: DNA Structure, Replication, and Recombination

The ratio of _____ is 1:1.

The molecule of heredity is

How many replication forks depart from an origin of replication?

_______ -form DNA spirals to the right and is the major form of naturally occurring DNA molecules.

The step in DNA replication in which two replication forks moving in opposite directions may meet is called

DNA replication occurs through a _________process.

________ bonds are responsible for the chemical affinity between A and T (or G and C) nucleotides.

Which of the following is not involved in ensuring the accuracy of a cell's genetic information?

Which term describes the ability of a substance to change the genetic characteristics of an organism?

The protein that progressively unwinds DNA ahead of each replication fork is called

The nucleotide that is present in RNA but not DNA is

DNA is localized mainly in the

Which of the following properties of RNA is most directly responsible for its ability to form complex shapes?

How many origins of replication does the E.coli chromosome contain?

Genetics: The Study of Biological Information

Mendels Principles of Heredity

Extensions to Mendels Laws

The Chromosome Theory of Inheritance

Linkage, Recombination, and the Mapping of Genes on Chromosomes

Anatomy and Function of a Gene: Dissection Through Mutation

Gene Expression: The Flow of Information From DNA to RNA to Protein

Digital Analysis of Genomes

Analyzing Genomic Information

The Eukaryotic Chromosome

Chromosomal Rearrangements and Changes in Chromosome Number

Bacterial Genetics

Organellar Inheritance

Gene Regulation in Prokaryotes

Gene Regulation in Eukaryotes

Manipulating the Genomes of Eukaryotes

The Genetic Analysis of Development

The Genetics of Cancer

Variation and Selection in Populations

Genetics of Complex Traits

Filters