Question 1

Our fundamental knowledge about mutation, genetic linkage, and the relationships between genes and chromosomes was acquired largely from experiments on the

Accepted Answer

A)  bacterium Pneumococcus. 
B)  fruit fly Drosophila. 
C)  plant maize. 
D)  pea plant. 
A)  bacterium Pneumococcus. 
B)  fruit fly Drosophila. 
C)  plant maize. 
D)  pea plant.

Question 2

A single species of antibodies produced from a cultured clone of B lymphocytes is called a(n) _______.

Accepted Answer

The answer of A single species of antibodies produced from...

Question 3

Genes that do not normally separate from one another during meiosis are on the same chromosome.

Accepted Answer

A) True 
 B)False

Question 4

The central dogma of molecular biology is _______ $\rightarrow$ _______ $\rightarrow$ _______.

Accepted Answer

The answer of The central dogma of molecular biology is...

Question 5

Which pair of primers will amplify the template DNA sequence shown below in a PCR?
5ʹ-AGGCTGCGAT...//...CCGTTAGATT-3ʹ
3ʹ-TCCGACGCTA...//...GGCAATCTAA-5ʹ

Accepted Answer

A)  5ʹ-AGGCTGCGAT-3ʹ and 5ʹ-CCGTTAGATT-3ʹ 
B)  5ʹ-AGGCTGCGAT-3ʹ and 5ʹ-AATCTAACGG-3ʹ 
C)  5ʹ-TCCGACGCTA-3ʹ and 5ʹ-GGCAATCTAA-3ʹ 
D)  5ʹ-TCCGACGCTA-3ʹ and 5ʹ-CCGTTAGATT-3ʹ 
A)  5ʹ-AGGCTGCGAT-3ʹ and 5ʹ-CCGTTAGATT-3ʹ 
B)  5ʹ-AGGCTGCGAT-3ʹ and 5ʹ-AATCTAACGG-3ʹ 
C)  5ʹ-TCCGACGCTA-3ʹ and 5ʹ-GGCAATCTAA-3ʹ 
D)  5ʹ-TCCGACGCTA-3ʹ and 5ʹ-CCGTTAGATT-3ʹ

Question 6

Erwin Chargaff found that in DNA, the amount of A is equal to that of T and the amount of G is equal to that of

Accepted Answer

A) True 
 B)False

Question 7

EcoRI and NotI are two DNA restriction enzymes that recognize the specific sequences GAATTC and GCGGCCGC, respectively. Which of these restriction enzymes would cleave DNA most frequently, and why?

Accepted Answer

EcoRI. The specific sequences recognized

Question 8

Avery, MacLeod, and McCarty showed that one type of bacteria could be transformed into another type by uptake of purified RNA.

Accepted Answer

A) True 
 B)False

Question 9

A PCR reaction does not require

Accepted Answer

A)  a heat stable DNA polymerase. 
B)  DNA containing the sequence to be amplified. 
C)  short single stranded DNA primers complementary to each end of the target sequence. 
D)  sodium dodecyl sulfate. 
A)  a heat stable DNA polymerase. 
B)  DNA containing the sequence to be amplified. 
C)  short single stranded DNA primers complementary to each end of the target sequence. 
D)  sodium dodecyl sulfate.

Question 10

Which statement correctly represents the distinction between the terms "genotype" and "phenotype"?

Accepted Answer

A)  Phenotype is the genetic composition of an organism, and genotype is the physical appearance. 
B)  There is no difference between a genotype and a phenotype. 
C)  A phenotype is dominant, and a genotype is recessive. 
D)  The genotype is the genetic composition of an organism, and the phenotype is its physical appearance. 
A)  Phenotype is the genetic composition of an organism, and genotype is the physical appearance. 
B)  There is no difference between a genotype and a phenotype. 
C)  A phenotype is dominant, and a genotype is recessive. 
D)  The genotype is the genetic composition of an organism, and the phenotype is its physical appearance.

Question 11

Retroviral vectors can be advantageous over liposomes for stable introduction of DNA into animal cells because

Accepted Answer

A)  retrovirus infected cells are more readily selectable. 
B)  one step in the viral life cycle is integration of its DNA into the host genome. 
C)  they allow insertion of larger DNA molecules. 
D)  All of the above 
A)  retrovirus infected cells are more readily selectable. 
B)  one step in the viral life cycle is integration of its DNA into the host genome. 
C)  they allow insertion of larger DNA molecules. 
D)  All of the above

Question 12

A schematic representation of a length of DNA showing the locations of cleavage sites for multiple different restriction endonucleases is called a _______.

Accepted Answer

The answer of A schematic representation of a length of...

Question 13

If adenine makes up 22% of the bases in a given double-stranded DNA molecule, what percentage is made up of guanines?

Accepted Answer

If adenine makes up 22%, then thymine wo

Question 14

The characterization of restriction endonucleases was a key step in the development of recombinant DNA technology. What is the function of these enzymes?

Accepted Answer

A)  Synthesis of complementary strands of DNA from a DNA template 
B)  Synthesis of RNA from a DNA template 
C)  Ligation of two digested DNA strands 
D)  Cleavage of DNA at specific sequences 
A)  Synthesis of complementary strands of DNA from a DNA template 
B)  Synthesis of RNA from a DNA template 
C)  Ligation of two digested DNA strands 
D)  Cleavage of DNA at specific sequences

Question 15

The experimental introduction of DNA into eukaryotic cells is called

Accepted Answer

A)  infection. 
B)  transfection. 
C)  transient expression. 
D)  transcription. 
A)  infection. 
B)  transfection. 
C)  transient expression. 
D)  transcription.

Question 16

CRISPR were discovered in bacteria, where they are used as a defense against foreign genetic elements, such as _______.

Accepted Answer

The answer of CRISPR were discovered in bacteria, where they...

Question 17

In Gregor Mendel's experiments on pea genetics, he determined that yellow seed color, Y, was dominant over green seed color, y. In a cross between two plants, one with yellow seeds and the other with green seeds, all the seeds produced from the offspring were yellow. What was the genotype of the parent plant with yellow seeds?

Accepted Answer

A)  YY 
B)  Yy 
C)  yY 
D)  yy 
A)  YY 
B)  Yy 
C)  yY 
D)  yy

Question 18

You have identified an unknown protein of approximately 1,500 amino acids. The minimum length of its mRNA is approximately

Accepted Answer

A)  1,500 nucleotides. 
B)  4,500 nucleotides. 
C)  500 nucleotides. 
D)  750 nucleotides. 
A)  1,500 nucleotides. 
B)  4,500 nucleotides. 
C)  500 nucleotides. 
D)  750 nucleotides.

Question 19

Transgenic plants are easier to produce than transgenic animals because

Accepted Answer

A)  plants can be grown more easily from single cultured cells into which recombinant DNA has been introduced. 
B)  plant DNA can be cloned more easily. 
C)  plant cells can be transformed by bacterial infection. 
D)  DNA passes more readily through the plant cell wall than through the animal cell membrane. 
A)  plants can be grown more easily from single cultured cells into which recombinant DNA has been introduced. 
B)  plant DNA can be cloned more easily. 
C)  plant cells can be transformed by bacterial infection. 
D)  DNA passes more readily through the plant cell wall than through the animal cell membrane.

Question 20

Site-specific mutations can be introduced into cultured animal cells by a technique that relies on _______ recombination.

Accepted Answer

The answer of Site-specific mutations can be introduced into cultured...

Our fundamental knowledge about mutation, genetic linkage, and the relationships between genes and chromosomes was acquired largely from experiments on the

A single species of antibodies produced from a cultured clone of B lymphocytes is called a(n) _______.

Genes that do not normally separate from one another during meiosis are on the same chromosome.

The central dogma of molecular biology is ___ $\rightarrow$ _ $\rightarrow$ _____.

Which pair of primers will amplify the template DNA sequence shown below in a PCR? 5ʹ-AGGCTGCGAT...//...CCGTTAGATT-3ʹ 3ʹ-TCCGACGCTA...//...GGCAATCTAA-5ʹ

Erwin Chargaff found that in DNA, the amount of A is equal to that of T and the amount of G is equal to that of

EcoRI and NotI are two DNA restriction enzymes that recognize the specific sequences GAATTC and GCGGCCGC, respectively. Which of these restriction enzymes would cleave DNA most frequently, and why?

Avery, MacLeod, and McCarty showed that one type of bacteria could be transformed into another type by uptake of purified RNA.

A PCR reaction does not require

Which statement correctly represents the distinction between the terms "genotype" and "phenotype"?

Retroviral vectors can be advantageous over liposomes for stable introduction of DNA into animal cells because

A schematic representation of a length of DNA showing the locations of cleavage sites for multiple different restriction endonucleases is called a _______.

If adenine makes up 22% of the bases in a given double-stranded DNA molecule, what percentage is made up of guanines?

The characterization of restriction endonucleases was a key step in the development of recombinant DNA technology. What is the function of these enzymes?

The experimental introduction of DNA into eukaryotic cells is called

CRISPR were discovered in bacteria, where they are used as a defense against foreign genetic elements, such as _______.

You have identified an unknown protein of approximately 1,500 amino acids. The minimum length of its mRNA is approximately

Transgenic plants are easier to produce than transgenic animals because

Site-specific mutations can be introduced into cultured animal cells by a technique that relies on _______ recombination.

An Overview of Cells and Cell Research

Molecules and Membranes

Bioenergetics and Metabolism

Genomics, Proteomics, and Systems Biology

Genes and Genomes

Replication, Maintenance, and Rearrangements of Genomic Dna

RNA Synthesis and Processing

Transcriptional Regulation and Epigenetics

Protein Synthesis, Processing, and Regulation

The Nucleus

Protein Sorting and Transport

Mitochondria, Chloroplasts, and Peroxisomes

The Cytoskeleton and Cell Movement

The Plasma Membrane

Cell Walls, the Extracellular Matrix, and Cell Interactions

Cell Signaling

The Cell Cycle

Cell Death and Cell Renewal

Cancer

Filters

Exam 4: Fundamentals of Molecular Biology

Our fundamental knowledge about mutation, genetic linkage, and the relationships between genes and chromosomes was acquired largely from experiments on the

A single species of antibodies produced from a cultured clone of B lymphocytes is called a(n) _______.

Genes that do not normally separate from one another during meiosis are on the same chromosome.

The central dogma of molecular biology is _______ →\rightarrow→ _______ →\rightarrow→ _______.

Which pair of primers will amplify the template DNA sequence shown below in a PCR? 5ʹ-AGGCTGCGAT...//...CCGTTAGATT-3ʹ 3ʹ-TCCGACGCTA...//...GGCAATCTAA-5ʹ

Erwin Chargaff found that in DNA, the amount of A is equal to that of T and the amount of G is equal to that of

EcoRI and NotI are two DNA restriction enzymes that recognize the specific sequences GAATTC and GCGGCCGC, respectively. Which of these restriction enzymes would cleave DNA most frequently, and why?

Avery, MacLeod, and McCarty showed that one type of bacteria could be transformed into another type by uptake of purified RNA.

A PCR reaction does not require

Which statement correctly represents the distinction between the terms "genotype" and "phenotype"?

Retroviral vectors can be advantageous over liposomes for stable introduction of DNA into animal cells because

A schematic representation of a length of DNA showing the locations of cleavage sites for multiple different restriction endonucleases is called a _______.

If adenine makes up 22% of the bases in a given double-stranded DNA molecule, what percentage is made up of guanines?

The characterization of restriction endonucleases was a key step in the development of recombinant DNA technology. What is the function of these enzymes?

The experimental introduction of DNA into eukaryotic cells is called

CRISPR were discovered in bacteria, where they are used as a defense against foreign genetic elements, such as _______.

You have identified an unknown protein of approximately 1,500 amino acids. The minimum length of its mRNA is approximately

Transgenic plants are easier to produce than transgenic animals because

Site-specific mutations can be introduced into cultured animal cells by a technique that relies on _______ recombination.

An Overview of Cells and Cell Research

Molecules and Membranes

Bioenergetics and Metabolism

Genomics, Proteomics, and Systems Biology

Genes and Genomes

Replication, Maintenance, and Rearrangements of Genomic Dna

RNA Synthesis and Processing

Transcriptional Regulation and Epigenetics

Protein Synthesis, Processing, and Regulation

The Nucleus

Protein Sorting and Transport

Mitochondria, Chloroplasts, and Peroxisomes

The Cytoskeleton and Cell Movement

The Plasma Membrane

Cell Walls, the Extracellular Matrix, and Cell Interactions

Cell Signaling

The Cell Cycle

Cell Death and Cell Renewal

Cancer

Filters

The central dogma of molecular biology is ___ $\rightarrow$ _ $\rightarrow$ _____.