Question 1

If DNA polymerase did not have the ability to proofread,then DNA replication would

Accepted Answer

A)  not proceed at all. 
B)  proceed more slowly. 
C)  result in more mutations. 
D)  result in additional copies of DNA. 
A)  not proceed at all. 
B)  proceed more slowly. 
C)  result in more mutations. 
D)  result in additional copies of DNA.

Question 2

The cells in tissue that produces mammalian sperm cells are rapidly reproducing to provide a continuous supply of sperm cells.Considering the effect of heat on double-stranded DNA,what is likely to happen to the production of mutation free sperm cells if this tissue is kept at a significantly warmer temperature than usual?

Accepted Answer

If the sperm-producing cells are kept at

Question 3

According to the infographic below,the number of references to CRISPR in the PubMed database ________ between 2014 and 2016.

Accepted Answer

A)  quadrupled 
B)  more than tripled 
C)  doubled 
D)  more than quadrupled 
A)  quadrupled 
B)  more than tripled 
C)  doubled 
D)  more than quadrupled

Question 4

The figure below shows a short sequence of DNA.During DNA replication,the piece of DNA depicted in this figure will produce

Accepted Answer

A)  one single-stranded molecule with the sequence CAGT. 
B)  two single-stranded molecules with the sequence GTCA. 
C)  one single-stranded molecule with the sequence CAGT and a separate single-stranded molecule with the sequence GTCA. 
D)  two double-stranded molecules that look just like the figure. 
A)  one single-stranded molecule with the sequence CAGT. 
B)  two single-stranded molecules with the sequence GTCA. 
C)  one single-stranded molecule with the sequence CAGT and a separate single-stranded molecule with the sequence GTCA. 
D)  two double-stranded molecules that look just like the figure.

Question 5

A strand of DNA has the sequence GCAATTCG.The sequence of the complementary strand is ________.

Accepted Answer

The answer of A strand of DNA has the sequence...

Question 6

A pig's pancreas is still not ready for transplant into a human even after inactivating all of the 62 porcine endogenous retrovirus (PERV)genes in a pig embryo.The pig's ________ system genes would need to be manipulated to help prevent organ rejection by the human.

Accepted Answer

A)  nervous 
B)  immune 
C)  digestive 
D)  endocrine 
A)  nervous 
B)  immune 
C)  digestive 
D)  endocrine

Question 7

Put the following in order from smallest to largest.
-This is the second largest in size.

Accepted Answer

A) gene 
B) base 
C) nucleotide 
D) genome 
E) base pair 
A) gene 
B) base 
C) nucleotide 
D) genome 
E) base pair

Question 8

A mutation is due to the addition of two bases in a strand of DNA.This is called a(n)________.

Accepted Answer

The answer of A mutation is due to the addition...

Question 9

Before using the CRISPR-Cas9 system to edit the pig genome,it is necessary to sequence the pig DNA to identify any copies of porcine endogenous retrovirus (PERV)DNA.Knowing the PERV DNA sequences will help researchers determine which ________ sequences to use as guides for the CRISPR-Cas9 complex.

Accepted Answer

A)  DNA 
B)  RNA 
C)  protein 
D)  amino acid 
A)  DNA 
B)  RNA 
C)  protein 
D)  amino acid

Question 10

Along one side of a DNA molecule,the nucleotides are connected to each other by ________ bounds between ________.

Accepted Answer

A)  covalent; phosphate groups and sugar molecules 
B)  hydrogen; adenine and guanine 
C)  covalent; bases and sugar molecules 
D)  hydrogen; adjacent sugar molecules 
A)  covalent; phosphate groups and sugar molecules 
B)  hydrogen; adenine and guanine 
C)  covalent; bases and sugar molecules 
D)  hydrogen; adjacent sugar molecules

Question 11

The figure below shows the first cycle in polymerase chain reaction (PCR).The structure marked "P" in this figure

Accepted Answer

A)  represents the heat-tolerant DNA polymerase used in PCR to copy the gene of interest. 
B)  represents a sequence of DNA complementary to parts of the gene being amplified that allows DNA polymerase to attach to the gene. 
C)  indicates where on the DNA that DNA polymerase should terminate replication. 
D)  indicates the location of the promoter for the gene being amplified. 
A)  represents the heat-tolerant DNA polymerase used in PCR to copy the gene of interest. 
B)  represents a sequence of DNA complementary to parts of the gene being amplified that allows DNA polymerase to attach to the gene. 
C)  indicates where on the DNA that DNA polymerase should terminate replication. 
D)  indicates the location of the promoter for the gene being amplified.

Question 12

The adenine bases in a DNA molecule are radioactively labeled.The DNA is then placed in a solution containing unlabeled nucleotides and the enzymes needed for DNA replication.The DNA molecule is allowed to replicate twice,forming four new DNA molecules.The radioactively labeled adenine would be found in

Accepted Answer

A)  each of the eight strands. 
B)  two of the eight strands. 
C)  all but one strand. 
D)  six of the eight strands. 
A)  each of the eight strands. 
B)  two of the eight strands. 
C)  all but one strand. 
D)  six of the eight strands.

Question 13

Mismatch errors are

Accepted Answer

A)  almost always corrected by mutagens. 
B)  also called mutations. 
C)  almost always corrected by specialized proteins. 
D)  usually caused by mutated proteins. 
A)  almost always corrected by mutagens. 
B)  also called mutations. 
C)  almost always corrected by specialized proteins. 
D)  usually caused by mutated proteins.

Question 14

The DNA primers used in polymerase chain reaction (PCR)are

Accepted Answer

A)  identical to the entire base sequence of one strand of the DNA. 
B)  produced when a gene of interest is read by restriction enzymes. 
C)  attached to the gene of interest by polymerase. 
D)  complementary to DNA sequences at both ends of the DNA sequence of interest. 
A)  identical to the entire base sequence of one strand of the DNA. 
B)  produced when a gene of interest is read by restriction enzymes. 
C)  attached to the gene of interest by polymerase. 
D)  complementary to DNA sequences at both ends of the DNA sequence of interest.

Question 15

DNA fingerprinting is based on regions of DNA that are variable between individuals.Many of these differences between individuals produce no change in phenotype.This type of mutation is a(n)

Accepted Answer

A)  deletion. 
B)  insertion. 
C)  silent mutation. 
D)  substitution mutation. 
A)  deletion. 
B)  insertion. 
C)  silent mutation. 
D)  substitution mutation.

Question 16

DNA polymerase is used by the cell to

Accepted Answer

A)  perform gel electrophoresis procedures. 
B)  cure patients of certain genetic diseases. 
C)  make copies of a DNA sequence. 
D)  attach DNA fragments to each other. 
A)  perform gel electrophoresis procedures. 
B)  cure patients of certain genetic diseases. 
C)  make copies of a DNA sequence. 
D)  attach DNA fragments to each other.

Question 17

The CRISPR-Cas9 system is made up of two guide ________ molecules and two Cas9 ________ molecules.

Accepted Answer

A)  RNA; protein 
B)  protein; RNA 
C)  DNA; protein 
D)  protein; DNA 
A)  RNA; protein 
B)  protein; RNA 
C)  DNA; protein 
D)  protein; DNA

Question 18

The CRISPR-Cas9 complex cuts through both strands of DNA in two neighboring sites.The chromosome does not break apart because during normal repair processes,the DNA sequences between the cut sites are

Accepted Answer

A)  replaced with normal pig DNA. 
B)  looped outward and remain attached to the chromosome. 
C)  removed and the remaining DNA is relinked. 
D)  reattached to the DNA but switched to the opposite direction. 
A)  replaced with normal pig DNA. 
B)  looped outward and remain attached to the chromosome. 
C)  removed and the remaining DNA is relinked. 
D)  reattached to the DNA but switched to the opposite direction.

Question 19

The hereditary genetic material present in all living cells is

Accepted Answer

A)  carbohydrate. 
B)  protein. 
C)  DNA. 
D)  RNA. 
A)  carbohydrate. 
B)  protein. 
C)  DNA. 
D)  RNA.

Question 20

When a cell divides,it

Accepted Answer

A)  breaks down its DNA. 
B)  deletes old genetic information. 
C)  copies information from neighboring cells. 
D)  copies its own genetic information. 
A)  breaks down its DNA. 
B)  deletes old genetic information. 
C)  copies information from neighboring cells. 
D)  copies its own genetic information.

If DNA polymerase did not have the ability to proofread,then DNA replication would

According to the infographic below,the number of references to CRISPR in the PubMed database ________ between 2014 and 2016.

The figure below shows a short sequence of DNA.During DNA replication,the piece of DNA depicted in this figure will produce

A strand of DNA has the sequence GCAATTCG.The sequence of the complementary strand is ________.

A pig's pancreas is still not ready for transplant into a human even after inactivating all of the 62 porcine endogenous retrovirus (PERV)genes in a pig embryo.The pig's ________ system genes would need to be manipulated to help prevent organ rejection by the human.

Put the following in order from smallest to largest. -This is the second largest in size.

A mutation is due to the addition of two bases in a strand of DNA.This is called a(n)________.

Before using the CRISPR-Cas9 system to edit the pig genome,it is necessary to sequence the pig DNA to identify any copies of porcine endogenous retrovirus (PERV)DNA.Knowing the PERV DNA sequences will help researchers determine which ________ sequences to use as guides for the CRISPR-Cas9 complex.

Along one side of a DNA molecule,the nucleotides are connected to each other by bounds between .

The figure below shows the first cycle in polymerase chain reaction (PCR).The structure marked "P" in this figure

Mismatch errors are

The DNA primers used in polymerase chain reaction (PCR)are

DNA fingerprinting is based on regions of DNA that are variable between individuals.Many of these differences between individuals produce no change in phenotype.This type of mutation is a(n)

DNA polymerase is used by the cell to

The CRISPR-Cas9 system is made up of two guide molecules and two Cas9 molecules.

The CRISPR-Cas9 complex cuts through both strands of DNA in two neighboring sites.The chromosome does not break apart because during normal repair processes,the DNA sequences between the cut sites are

The hereditary genetic material present in all living cells is

When a cell divides,it

The Nature of Science

Evaluating Scientific Claims

Chemistry of Life

Life Is Cellular

How Cells Work

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

How Genes Work

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Bacteria and Archaea

Plants, Fungi, and Protists

Animals and Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Filters

Exam 9: What Genes Are

If DNA polymerase did not have the ability to proofread,then DNA replication would

According to the infographic below,the number of references to CRISPR in the PubMed database ________ between 2014 and 2016.

The figure below shows a short sequence of DNA.During DNA replication,the piece of DNA depicted in this figure will produce

A strand of DNA has the sequence GCAATTCG.The sequence of the complementary strand is ________.

A pig's pancreas is still not ready for transplant into a human even after inactivating all of the 62 porcine endogenous retrovirus (PERV)genes in a pig embryo.The pig's ________ system genes would need to be manipulated to help prevent organ rejection by the human.

Put the following in order from smallest to largest. -This is the second largest in size.

A mutation is due to the addition of two bases in a strand of DNA.This is called a(n)________.

Before using the CRISPR-Cas9 system to edit the pig genome,it is necessary to sequence the pig DNA to identify any copies of porcine endogenous retrovirus (PERV)DNA.Knowing the PERV DNA sequences will help researchers determine which ________ sequences to use as guides for the CRISPR-Cas9 complex.

Along one side of a DNA molecule,the nucleotides are connected to each other by ________ bounds between ________.

The figure below shows the first cycle in polymerase chain reaction (PCR).The structure marked "P" in this figure

Mismatch errors are

The DNA primers used in polymerase chain reaction (PCR)are

DNA fingerprinting is based on regions of DNA that are variable between individuals.Many of these differences between individuals produce no change in phenotype.This type of mutation is a(n)

DNA polymerase is used by the cell to

The CRISPR-Cas9 system is made up of two guide ________ molecules and two Cas9 ________ molecules.

The CRISPR-Cas9 complex cuts through both strands of DNA in two neighboring sites.The chromosome does not break apart because during normal repair processes,the DNA sequences between the cut sites are

The hereditary genetic material present in all living cells is

When a cell divides,it

The Nature of Science

Evaluating Scientific Claims

Chemistry of Life

Life Is Cellular

How Cells Work

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

How Genes Work

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Bacteria and Archaea

Plants, Fungi, and Protists

Animals and Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Filters

Along one side of a DNA molecule,the nucleotides are connected to each other by bounds between .

The CRISPR-Cas9 system is made up of two guide molecules and two Cas9 molecules.