Question 1

On which of the following is electrophoresis based?

Accepted Answer

A)  molecular charge 
B)  molecular bonding 
C)  molecular size 
D)  polarity and nonpolarity 
E)  a combination of more than one of these 
A)  molecular charge 
B)  molecular bonding 
C)  molecular size 
D)  polarity and nonpolarity 
E)  a combination of more than one of these

Question 2

When a population is made up of individuals who are genetically identical,each individual is said to be a ____ of other individuals.

Accepted Answer

A)  homolog 
B)  clone 
C)  twin 
D)  recombinant 
E)  probe 
A)  homolog 
B)  clone 
C)  twin 
D)  recombinant 
E)  probe

Question 3

Sequencing the entire human genome

Accepted Answer

A)  helps to identify genes that are essential in the defense system of the human body. 
B)  allows for the study human genetic diseases. 
C)  can distinguish absolutely between individuals. 
D)  allows for comparisons with other species. 
E)  does all of these. 
A)  helps to identify genes that are essential in the defense system of the human body. 
B)  allows for the study human genetic diseases. 
C)  can distinguish absolutely between individuals. 
D)  allows for comparisons with other species. 
E)  does all of these.

Question 4

In which of the following cases would DNA profiling be used?

Accepted Answer

A)  to reconstruct population dispersals 
B)  to identify the remains of dead people 
C)  to solve crimes 
D)  to trace ethnic hertiages 
E)  to do all of these 
A)  to reconstruct population dispersals 
B)  to identify the remains of dead people 
C)  to solve crimes 
D)  to trace ethnic hertiages 
E)  to do all of these

Question 5

Which of the following sub-disciplines of biology focuses on understanding the entire genetic composition of organisms?

Accepted Answer

A)  evolutionary biology 
B)  molecular biology 
C)  genomics 
D)  comparative anatomy 
E)  embryology 
A)  evolutionary biology 
B)  molecular biology 
C)  genomics 
D)  comparative anatomy 
E)  embryology

Question 6

What is the vector used in gene therapy?

Accepted Answer

A)  bacterial plasmids 
B)  lipids 
C)  genetically engineered viruses 
D)  single nucleotides 
E)  more than one of these 
A)  bacterial plasmids 
B)  lipids 
C)  genetically engineered viruses 
D)  single nucleotides 
E)  more than one of these

Question 7

Match the following letters with the number with which they best correspond.
a.xenotransplantation
b.electrophoresis
c.DNA profile
d.genetic engineering
e.DNA sequencing
f.gene therapy
g.polymerase chain reaction
-method that rapidly generates many copies of a specific DNA fragment

Accepted Answer

The answer of Match the following letters with the number...

Question 8

Match the following letters with the number with which they best correspond.
a.xenotransplantation
b.electrophoresis
c.DNA profile
d.genetic engineering
e.DNA sequencing
f.gene therapy
g.polymerase chain reaction
-an individual's unique array of short tandem repeats

Accepted Answer

The answer of Match the following letters with the number...

Question 9

Which of the following is NOT true of GMO crops?

Accepted Answer

A)  there have been no problems with genes escaping from GMO plants 
B)  some GMO crops allow farmers to use fewer pesticides 
C)  some GMO crops have fewer weeds 
D)  some GMO crops are more nutritious 
E)  all of these are true of GMO crops- none of these is NOT true 
A)  there have been no problems with genes escaping from GMO plants 
B)  some GMO crops allow farmers to use fewer pesticides 
C)  some GMO crops have fewer weeds 
D)  some GMO crops are more nutritious 
E)  all of these are true of GMO crops- none of these is NOT true

Question 10

Plants have been genetically modified for which of the following purposes?

Accepted Answer

A)  herbicide resistance 
B)  pest resistance 
C)  nutritional improvement 
D)  disease resistance 
E)  all of these 
A)  herbicide resistance 
B)  pest resistance 
C)  nutritional improvement 
D)  disease resistance 
E)  all of these

Question 11

Which of the following procedures are possible with genetic engineering?

Accepted Answer

A)  express a human gene in a bacterium 
B)  transfer a human protein into a sheep 
C)  transfer a human genome into a bacterium 
D)  express a human amino acid in a mouse 
E)  all of these 
A)  express a human gene in a bacterium 
B)  transfer a human protein into a sheep 
C)  transfer a human genome into a bacterium 
D)  express a human amino acid in a mouse 
E)  all of these

Question 12

Which of the following components is NOT essential for DNA cloning?

Accepted Answer

A)  plasmids 
B)  ligases 
C)  helicases 
D)  DNA fragments 
E)  restriction enzymes 
A)  plasmids 
B)  ligases 
C)  helicases 
D)  DNA fragments 
E)  restriction enzymes

Question 13

____ is an example of a ____.

Accepted Answer

A)  DNA polymerase; digestive enzyme 
B)  DNA ligase; digestive enzyme 
C)  EcoRI; restriction enzyme 
D)  E. coli; restriction enzyme 
E)  EcoRI; SNP 
A)  DNA polymerase; digestive enzyme 
B)  DNA ligase; digestive enzyme 
C)  EcoRI; restriction enzyme 
D)  E. coli; restriction enzyme 
E)  EcoRI; SNP

Question 14

Which of the following organisms is used in the genetic engineering of plants?

Accepted Answer

A)  E. coli 
B)  T. aquaticus 
C)  A. tumefaciens 
D)  P. flourescens 
E)  B. thuringiensis 
A)  E. coli 
B)  T. aquaticus 
C)  A. tumefaciens 
D)  P. flourescens 
E)  B. thuringiensis

Question 15

In the PCR process,which of the following molecular bonds of DNA are disrupted at high temperatures?

Accepted Answer

A)  ionic bonds 
B)  hydrogen bonds 
C)  polar covalent bonds 
D)  nonpolar covalent bonds 
E)  glycosidic bonds 
A)  ionic bonds 
B)  hydrogen bonds 
C)  polar covalent bonds 
D)  nonpolar covalent bonds 
E)  glycosidic bonds

Question 16

Which of the following molecules can be used as a cloning vector?

Accepted Answer

A)  plasmids 
B)  restriction enzymes 
C)  recombinant DNA 
D)  DNA fragments 
E)  SNPs 
A)  plasmids 
B)  restriction enzymes 
C)  recombinant DNA 
D)  DNA fragments 
E)  SNPs

Question 17

Which of the following techniques reveals differences in the number of tandem repeats among individuals?

Accepted Answer

A)  PCR 
B)  DNA amplification 
C)  DNA hybridization 
D)  DNA profiling 
E)  DNA probe analysis 
A)  PCR 
B)  DNA amplification 
C)  DNA hybridization 
D)  DNA profiling 
E)  DNA probe analysis

Question 18

If the nucleotide sequence,ACTGAG,represents the sticky end of a DNA molecule,to what other nucleotide sequence would it "stick"?

Accepted Answer

A)  TGACTC 
B)  UGACUC 
C)  ACTGAG 
D)  ACUGUG 
E)  GAGTCA 
A)  TGACTC 
B)  UGACUC 
C)  ACTGAG 
D)  ACUGUG 
E)  GAGTCA

Question 19

Once a probe has hybridized with a gene of interest in a DNA library,how is the hybrid identified?

Accepted Answer

A)  by its sticky tail 
B)  by its radioactive phosphate group 
C)  by using restriction enzymes 
D)  by centrifugation 
E)  by vector analysis 
A)  by its sticky tail 
B)  by its radioactive phosphate group 
C)  by using restriction enzymes 
D)  by centrifugation 
E)  by vector analysis

Question 20

Match the following letters with the number with which they best correspond.
a.xenotransplantation
b.electrophoresis
c.DNA profile
d.genetic engineering
e.DNA sequencing
f.gene therapy
g.polymerase chain reaction
-replacing diseased organs with healthy ones from other species

Accepted Answer

The answer of Match the following letters with the number...

Exam 10: Biotechnology

On which of the following is electrophoresis based?

When a population is made up of individuals who are genetically identical,each individual is said to be a ____ of other individuals.

Sequencing the entire human genome

In which of the following cases would DNA profiling be used?

Which of the following sub-disciplines of biology focuses on understanding the entire genetic composition of organisms?

What is the vector used in gene therapy?

Match the following letters with the number with which they best correspond. a.xenotransplantation b.electrophoresis c.DNA profile d.genetic engineering e.DNA sequencing f.gene therapy g.polymerase chain reaction -method that rapidly generates many copies of a specific DNA fragment

Match the following letters with the number with which they best correspond. a.xenotransplantation b.electrophoresis c.DNA profile d.genetic engineering e.DNA sequencing f.gene therapy g.polymerase chain reaction -an individual's unique array of short tandem repeats

Which of the following is NOT true of GMO crops?

Plants have been genetically modified for which of the following purposes?

Which of the following procedures are possible with genetic engineering?

Which of the following components is NOT essential for DNA cloning?

____ is an example of a ____.

Which of the following organisms is used in the genetic engineering of plants?

In the PCR process,which of the following molecular bonds of DNA are disrupted at high temperatures?

Which of the following molecules can be used as a cloning vector?

Which of the following techniques reveals differences in the number of tandem repeats among individuals?

If the nucleotide sequence,ACTGAG,represents the sticky end of a DNA molecule,to what other nucleotide sequence would it "stick"?

Once a probe has hybridized with a gene of interest in a DNA library,how is the hybrid identified?

Match the following letters with the number with which they best correspond. a.xenotransplantation b.electrophoresis c.DNA profile d.genetic engineering e.DNA sequencing f.gene therapy g.polymerase chain reaction -replacing diseased organs with healthy ones from other species

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

is an example of a .