Question 1

Which of thfollowing organisms producgenetically engineerechymotrypsin, usein thfooindustry?

Accepted Answer

A) a pig 
B) a bacterium 
C) a yeast 
D) a sheep 
E) a cow 
A) a pig 
B) a bacterium 
C) a yeast 
D) a sheep 
E) a cow

Question 2

How many genes does thhuman genomcontain?

Accepted Answer

A) about 5,000 genes 
B) about 10,000 genes 
C) about 20,000 genes 
D) about 30,000 genes 
E) about 7,000 genes 
A) about 5,000 genes 
B) about 10,000 genes 
C) about 20,000 genes 
D) about 30,000 genes 
E) about 7,000 genes

Question 3

Examine the following figure and answer questions 
  
-In step B, which of thfollowing molecules woulbresponsiblfor thproduction of molecul#3?

Accepted Answer

A) DNA polymerase 
B) nucleases 
C) nucleotide polymerase 
D) RNA polymerase 
E) reverse transcriptase 
A) DNA polymerase 
B) nucleases 
C) nucleotide polymerase 
D) RNA polymerase 
E) reverse transcriptase

Question 4

Gentherapy consist of

Accepted Answer

A) replacing the genomes of an individual with a brand new set of genomes with the goal of treating a genetic defect. 
B) replacing a defective gene in an individual with a normal gene with the goal of treating a genetic disorder. 
C) transferring a modified gene into an individual with the goal of treating a genetic defect. 
D) transferring a normal or a modified gene into an individual with the goal of treating a genetic defect. 
E) replacing a defective enzyme in an individual with a normal enzyme with the goal of treating a genetic disorder. 
A) replacing the genomes of an individual with a brand new set of genomes with the goal of treating a genetic defect. 
B) replacing a defective gene in an individual with a normal gene with the goal of treating a genetic disorder. 
C) transferring a modified gene into an individual with the goal of treating a genetic defect. 
D) transferring a normal or a modified gene into an individual with the goal of treating a genetic defect. 
E) replacing a defective enzyme in an individual with a normal enzyme with the goal of treating a genetic disorder.

Question 5

ThGolden Ricis a genetically modifiericplant that produces

Accepted Answer

A) alpha-carotene in its seeds. 
B) vitamin A. 
C) beta-carotene in its seeds. 
D) vitamin C. 
E) gamma-carotene in its seeds. 
A) alpha-carotene in its seeds. 
B) vitamin A. 
C) beta-carotene in its seeds. 
D) vitamin C. 
E) gamma-carotene in its seeds.

Question 6

Thtransferring of an organ froonspecies to another is called

Accepted Answer

A) xenotransplantation. 
B) eugenics. 
C) illegal. 
D) genomics. 
E) cloning. 
A) xenotransplantation. 
B) eugenics. 
C) illegal. 
D) genomics. 
E) cloning.

Question 7

A plasmimay

Accepted Answer

A) accept foreign DNA. 
B) be taken up by bacteria. 
C) carry marker genes. 
D) replicate independently of bacterial chromosomes. 
E) do all of these. 
A) accept foreign DNA. 
B) be taken up by bacteria. 
C) carry marker genes. 
D) replicate independently of bacterial chromosomes. 
E) do all of these.

Question 8

DNA sequencing is a method

Accepted Answer

A) of determining the order of fatty acids in a DNA. 
B) of determining the order of saccharides in a DNA. 
C) of determining the order of amino acids in a DNA. 
D) of determining the order of nucleotides in a DNA. 
E) of determining the order of triglycerides in a DNA. 
A) of determining the order of fatty acids in a DNA. 
B) of determining the order of saccharides in a DNA. 
C) of determining the order of amino acids in a DNA. 
D) of determining the order of nucleotides in a DNA. 
E) of determining the order of triglycerides in a DNA.

Question 9

Which of thfollowing plants makes anstores beta-carotenin its seeds?

Accepted Answer

A) regular rice 
B) corn 
C) wheat 
D) peanut 
E) all of these 
A) regular rice 
B) corn 
C) wheat 
D) peanut 
E) all of these

Question 10

Gentherapy has risks because

Accepted Answer

A) the virus-injected gene may be overexpressed in the patient. 
B) the virus-injected gene may cause allergies. 
C) it is impossible to predict where a virus-injected gene will insert into chromosomes. 
D) the virus-injected gene may stay outside of the cells and never be taken up. 
E) of all of these. 
A) the virus-injected gene may be overexpressed in the patient. 
B) the virus-injected gene may cause allergies. 
C) it is impossible to predict where a virus-injected gene will insert into chromosomes. 
D) the virus-injected gene may stay outside of the cells and never be taken up. 
E) of all of these.

Question 11

Which of thfollowing subdisciplines of biology focuses on understanding thgenetic composition of organisms?

Accepted Answer

A) physiology 
B) molecular biology 
C) genomics 
D) biochemistry 
E) embryology 
A) physiology 
B) molecular biology 
C) genomics 
D) biochemistry 
E) embryology

Question 12

Genetic engineering is appliein plants for which of thfollowing reasons?

Accepted Answer

A) confer tolerance to dry and hot seasons 
B) confer tolerance to low temperature 
C) improve nutritional value 
D) improve yields 
E) all of these 
A) confer tolerance to dry and hot seasons 
B) confer tolerance to low temperature 
C) improve nutritional value 
D) improve yields 
E) all of these

Question 13

Which of thfollowing is NOT truabout restriction enzymes?

Accepted Answer

A) Restriction enzymes recognize specific DNA sequences. 
B) Restriction enzymes cut DNA independently of its origin. 
C) Restriction enzymes recognize specific nucleotide sequences. 
D) Restriction enzymes cut RNA sequences at specific sites. 
E) All of these are NOT true. 
A) Restriction enzymes recognize specific DNA sequences. 
B) Restriction enzymes cut DNA independently of its origin. 
C) Restriction enzymes recognize specific nucleotide sequences. 
D) Restriction enzymes cut RNA sequences at specific sites. 
E) All of these are NOT true.

Question 14

Which of thfollowing processes consist of transferring genetic information froonorganisto another?

Accepted Answer

A) genetic information hybridization 
B) polymerase chain reaction 
C) comparative genomics 
D) DNA fingerprinting 
E) genetic engineering 
A) genetic information hybridization 
B) polymerase chain reaction 
C) comparative genomics 
D) DNA fingerprinting 
E) genetic engineering

Question 15

What do biologists usin order to identify clones that contain thfragment of interest?

Accepted Answer

A) probes 
B) markers 
C) templates 
D) tags 
E) followers 
A) probes 
B) markers 
C) templates 
D) tags 
E) followers

Question 16

Restriction enzymes can cut

Accepted Answer

A) tRNA. 
B) mRNA. 
C) rRNA. 
D) DNA. 
E) mRNA and DNA. 
A) tRNA. 
B) mRNA. 
C) rRNA. 
D) DNA. 
E) mRNA and DNA.

Question 17

Researchers introducDNA into plants by using
I.bacteria
II.electric shocks
III.chemical shocks

Accepted Answer

A) I only 
B) II only 
C) III only 
D) II and III 
E) I, II, and III 
A) I only 
B) II only 
C) III only 
D) II and III 
E) I, II, and III

Question 18

A plasmid

Accepted Answer

A) is a small piece of DNA that is often isolated from bacterial chromosomes for cloning purposes. 
B) is a big linear piece of DNA that is often isolated from bacterial chromosomes for cloning purposes. 
C) is a small circular DNA in bacteria that is partially associated with the chromosome. 
D) is a small circular DNA in bacteria that is completely associated with the chromosome. 
E) is a small circular DNA in bacteria that is completely separated from the chromosome. 
A) is a small piece of DNA that is often isolated from bacterial chromosomes for cloning purposes. 
B) is a big linear piece of DNA that is often isolated from bacterial chromosomes for cloning purposes. 
C) is a small circular DNA in bacteria that is partially associated with the chromosome. 
D) is a small circular DNA in bacteria that is completely associated with the chromosome. 
E) is a small circular DNA in bacteria that is completely separated from the chromosome.

Question 19

During thcloning process, two fragments of DNA arjoinetogether with thhelp of a

Accepted Answer

A) DNA ligase. 
B) DNA recombinase. 
C) DNA flipase. 
D) DNA clonase. 
E) DNA connectase. 
A) DNA ligase. 
B) DNA recombinase. 
C) DNA flipase. 
D) DNA clonase. 
E) DNA connectase.

Question 20

Many restriction enzymes generat__________ on DNA fragments after digestion.

Accepted Answer

A) frank ends 
B) blunt ends 
C) curved ends 
D) sticky ends 
E) oblique ends 
A) frank ends 
B) blunt ends 
C) curved ends 
D) sticky ends 
E) oblique ends

Exam 10: Biotechnology

Which of thfollowing organisms producgenetically engineerechymotrypsin, usein thfooindustry?

How many genes does thhuman genomcontain?

Examine the following figure and answer questions -In step B, which of thfollowing molecules woulbresponsiblfor thproduction of molecul#3?

Gentherapy consist of

ThGolden Ricis a genetically modifiericplant that produces

Thtransferring of an organ froonspecies to another is called

A plasmimay

DNA sequencing is a method

Which of thfollowing plants makes anstores beta-carotenin its seeds?

Gentherapy has risks because

Which of thfollowing subdisciplines of biology focuses on understanding thgenetic composition of organisms?

Genetic engineering is appliein plants for which of thfollowing reasons?

Which of thfollowing is NOT truabout restriction enzymes?

Which of thfollowing processes consist of transferring genetic information froonorganisto another?

What do biologists usin order to identify clones that contain thfragment of interest?

Restriction enzymes can cut

Researchers introducDNA into plants by using I.bacteria II.electric shocks III.chemical shocks

A plasmid

During thcloning process, two fragments of DNA arjoinetogether with thhelp of a

Many restriction enzymes generat__________ on DNA fragments after digestion.

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 Evolutionunit

Population Ecology

Communities and Ecosystems

The Biosphere and Human Eff Ects

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

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