Question 1

Consider Mendel's experiments on the genetics of peas. What is the probability that two green parent pea plants would also have green offspring?

Accepted Answer

The probability is 100%. All w

Question 2

What is the complementary sequence to the following bases  5?-TCAAGG-3?

Accepted Answer

A)  5?-AGTTCC-3? 
B)  5?-TCAAGG-3? 
C)  5?-CCTTGA-3? 
D)  5?-AGUUCC-3? 
A)  5?-AGTTCC-3? 
B)  5?-TCAAGG-3? 
C)  5?-CCTTGA-3? 
D)  5?-AGUUCC-3?

Question 3

DNA was identified as the genetic material in experiments done by

Accepted Answer

A)  Mendel. 
B)  Chargaff. 
C)  Avery, MacLeod, and McCarty. 
D)  Watson and Crick. 
A)  Mendel. 
B)  Chargaff. 
C)  Avery, MacLeod, and McCarty. 
D)  Watson and Crick.

Question 4

Gregor Mendel discovered the principles of genetics in his early experiments on

Accepted Answer

A)  peas. 
B)  fruit flies. 
C)  mice. 
D)  humans. 
A)  peas. 
B)  fruit flies. 
C)  mice. 
D)  humans.

Question 5

Embryonic stem cells introduced into early mouse embryos can give rise to cells in all of the tissues of the mouse, including germ cells.

Accepted Answer

A) True 
 B)False

Question 6

Most eukaryotic cells transfected with DNA using liposomes will only express the introduced genes for several days because

Accepted Answer

A)  foreign DNA will be targeted by CRISPR/Cas. 
B)  foreign RNA will be targeted by antisense RNAs. 
C)  the introduced DNA will not be replicated with the cells' chromosomes. 
D)  miRNAs will block translation of the foreign mRNA. 
A)  foreign DNA will be targeted by CRISPR/Cas. 
B)  foreign RNA will be targeted by antisense RNAs. 
C)  the introduced DNA will not be replicated with the cells' chromosomes. 
D)  miRNAs will block translation of the foreign mRNA.

Question 7

In the study of molecular biology one frequently hears references to the "central dogma" of molecular biology. What is meant by this term?

Accepted Answer

The "central dogma" refers to the critic

Question 8

The first enzymatic step in making a cDNA uses

Accepted Answer

A)  Taq polymerase. 
B)  DNA polymerase. 
C)  RNA polymerase. 
D)  reverse transcriptase. 
A)  Taq polymerase. 
B)  DNA polymerase. 
C)  RNA polymerase. 
D)  reverse transcriptase.

Question 9

A common method of DNA sequencing is based on the premature termination of DNA synthesis that accompanies the use of dideoxynucleotides in the PCR reactions. Why does elongation of a growing strand cease when a dideoxynucleotide is incorporated?

Accepted Answer

RNA, or ribonucleic acid, uses ribose an

Question 10

The CRISPR/Cas system has revolutionized the efficiency with which scientists can mutate a gene in vivo to investigate the functional role of the protein it encodes. Which component is not essential in the CRISPR/Cas system?

Accepted Answer

A)  Guide RNA complementary to gene of interest 
B)  Access to target mRNA 
C)  Cas9 nuclease 
D)  Access to target gene 
A)  Guide RNA complementary to gene of interest 
B)  Access to target mRNA 
C)  Cas9 nuclease 
D)  Access to target gene

Question 11

Taq polymerase is used in the polymerase chain reaction because it

Accepted Answer

A)  is stable in organic solvents. 
B)  is stable at high temperatures. 
C)  recognizes specific primer sequences. 
D)  can make DNA sequences from RNA sequences. 
A)  is stable in organic solvents. 
B)  is stable at high temperatures. 
C)  recognizes specific primer sequences. 
D)  can make DNA sequences from RNA sequences.

Question 12

Reverse transcriptase is an enzyme that catalyzes _______ synthesis.

Accepted Answer

A)  DNA-directed RNA 
B)  RNA-directed DNA 
C)  DNA-directed DNA 
D)  RNA-directed RNA 
A)  DNA-directed RNA 
B)  RNA-directed DNA 
C)  DNA-directed DNA 
D)  RNA-directed RNA

Question 13

Proteins are synthesized from RNA templates through a process called _______.

Accepted Answer

The answer of Proteins are synthesized from RNA templates through...

Question 14

Consider this statement: An increase in the levels of a protein within a cell indicates that expression of the gene encoding it was also increased. Why is the statement not necessarily true?

Accepted Answer

The statement may be true, but a number

Question 15

Eukaryotic genes expressed in bacteria produce products that differ from the eukaryotic protein in that they do not have _______ modification.

Accepted Answer

The answer of Eukaryotic genes expressed in bacteria produce products...

Question 16

SDS-polyacrylamide gel electrophoresis (SDS-PAGE) separates proteins by

Accepted Answer

A)  negative charge. 
B)  positive charge. 
C)  charge: size ratio. 
D)  size. 
A)  negative charge. 
B)  positive charge. 
C)  charge: size ratio. 
D)  size.

Question 17

The DNA made from an mRNA is called _______.

Accepted Answer

The answer of The DNA made from an mRNA is...

Question 18

Which technique is used to inactivate a gene by altering the DNA that encodes it?

Accepted Answer

A)  Homologous recombination 
B)  Antisense nucleic acid blocks 
C)  Antibody microinjection 
D)  Use of siRNA 
A)  Homologous recombination 
B)  Antisense nucleic acid blocks 
C)  Antibody microinjection 
D)  Use of siRNA

Question 19

In addition to mRNA, the two types of RNA necessary for protein synthesis are _______ and _______.

Accepted Answer

The answer of In addition to mRNA, the two types...

Question 20

To clone genes, a plasmid vector should contain all of the following except

Accepted Answer

A)  foreign DNA. 
B)  an origin of replication. 
C)  a restriction nuclease cut site. 
D)  an antibiotic resistance gene. 
A)  foreign DNA. 
B)  an origin of replication. 
C)  a restriction nuclease cut site. 
D)  an antibiotic resistance gene.

Consider Mendel's experiments on the genetics of peas. What is the probability that two green parent pea plants would also have green offspring?

What is the complementary sequence to the following bases 5?-TCAAGG-3?

DNA was identified as the genetic material in experiments done by

Gregor Mendel discovered the principles of genetics in his early experiments on

Embryonic stem cells introduced into early mouse embryos can give rise to cells in all of the tissues of the mouse, including germ cells.

Most eukaryotic cells transfected with DNA using liposomes will only express the introduced genes for several days because

In the study of molecular biology one frequently hears references to the "central dogma" of molecular biology. What is meant by this term?

The first enzymatic step in making a cDNA uses

A common method of DNA sequencing is based on the premature termination of DNA synthesis that accompanies the use of dideoxynucleotides in the PCR reactions. Why does elongation of a growing strand cease when a dideoxynucleotide is incorporated?

The CRISPR/Cas system has revolutionized the efficiency with which scientists can mutate a gene in vivo to investigate the functional role of the protein it encodes. Which component is not essential in the CRISPR/Cas system?

Taq polymerase is used in the polymerase chain reaction because it

Reverse transcriptase is an enzyme that catalyzes _______ synthesis.

Proteins are synthesized from RNA templates through a process called _______.

Consider this statement: An increase in the levels of a protein within a cell indicates that expression of the gene encoding it was also increased. Why is the statement not necessarily true?

Eukaryotic genes expressed in bacteria produce products that differ from the eukaryotic protein in that they do not have _______ modification.

SDS-polyacrylamide gel electrophoresis (SDS-PAGE) separates proteins by

The DNA made from an mRNA is called _______.

Which technique is used to inactivate a gene by altering the DNA that encodes it?

In addition to mRNA, the two types of RNA necessary for protein synthesis are _ and _.

To clone genes, a plasmid vector should contain all of the following except

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

Consider Mendel's experiments on the genetics of peas. What is the probability that two green parent pea plants would also have green offspring?

What is the complementary sequence to the following bases 5?-TCAAGG-3?

DNA was identified as the genetic material in experiments done by

Gregor Mendel discovered the principles of genetics in his early experiments on

Embryonic stem cells introduced into early mouse embryos can give rise to cells in all of the tissues of the mouse, including germ cells.

Most eukaryotic cells transfected with DNA using liposomes will only express the introduced genes for several days because

In the study of molecular biology one frequently hears references to the "central dogma" of molecular biology. What is meant by this term?

The first enzymatic step in making a cDNA uses

A common method of DNA sequencing is based on the premature termination of DNA synthesis that accompanies the use of dideoxynucleotides in the PCR reactions. Why does elongation of a growing strand cease when a dideoxynucleotide is incorporated?

The CRISPR/Cas system has revolutionized the efficiency with which scientists can mutate a gene in vivo to investigate the functional role of the protein it encodes. Which component is not essential in the CRISPR/Cas system?

Taq polymerase is used in the polymerase chain reaction because it

Reverse transcriptase is an enzyme that catalyzes _______ synthesis.

Proteins are synthesized from RNA templates through a process called _______.

Consider this statement: An increase in the levels of a protein within a cell indicates that expression of the gene encoding it was also increased. Why is the statement not necessarily true?

Eukaryotic genes expressed in bacteria produce products that differ from the eukaryotic protein in that they do not have _______ modification.

SDS-polyacrylamide gel electrophoresis (SDS-PAGE) separates proteins by

The DNA made from an mRNA is called _______.

Which technique is used to inactivate a gene by altering the DNA that encodes it?

In addition to mRNA, the two types of RNA necessary for protein synthesis are _______ and _______.

To clone genes, a plasmid vector should contain all of the following except

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

In addition to mRNA, the two types of RNA necessary for protein synthesis are _ and _.