Question 1

In recombinant DNA technology, plasmids:

Accepted Answer

A)  are used to insert foreign DNA into bacteria.
B)  show restriction enzymes where to cut bacterial DNA.
C)  are necessary for cellular respiration in certain plants.
D)  are the sites of protein synthesis in bacteria.
E)  are isolated from the blood of mammals.

Question 2

A recombinant plasmid contains only human and bacterial DNA. True or False?

Accepted Answer

A) True 
 B)False

Question 3

Small, accessory chromosomes found in bacteria that are useful in recombinant DNA procedures are called:

Accepted Answer

A)  plasmids.
B)  viroids.
C)  centrioles.
D)  bacteriophages.

Question 4

Specific fragments of DNA on a gel can be visualized using:

Accepted Answer

A)  DNA probes.
B)  restriction enzymes.
C)  electrophoresis.
D)  single tandem repeats (STRs) .
E)  a polymerase chain reaction (PCR) .

Question 5

Which of the following is NOT a natural means of DNA recombination?

Accepted Answer

A)  sexual reproduction
B)  transformation in bacteria
C)  viral infection
D)  the polymerase chain reaction

Question 6

The substances used to cut genes in recombinant DNA research are called:

Accepted Answer

A)  DNA polymerases.
B)  RNA polymerases.
C)  spliceosomes.
D)  replicases.
E)  restriction enzymes.

Question 7

________ are small, circular pieces of DNA that are often used in the process of transformation.

Accepted Answer

The answer of ________ are small, circular pieces of DNA...

Question 8

Based on this figure, to which of the following DNA sequences will the illustrated DNA probe bind?

Accepted Answer

A)  AGATCTATCTATCTAGAT
B)  AGAAGATAGATAGATGAT
C)  AGAGATATGATAGATGAT
D)  AGAGATATCTATCTAGAT

Question 9

Restriction enzymes are useful in recombinant DNA studies because they:

Accepted Answer

A)  cut DNA only at specific locations.
B)  join the cut ends of small DNA molecules.
C)  can reproduce in bacteria.
D)  give plasmids antibiotic properties.
E)  can separate pieces of DNA and RNA from each other.

Question 10

Ligase enzymes are used to covalently bind together pieces of DNA. True or False?

Accepted Answer

A) True 
 B)False

Question 11

If you cut out a gene using EcoRI and BamHI, what enzyme(s) will you need to insert the gene into another chromosome?

Accepted Answer

A)  EcoRI only
B)  BamHI only
C)  both EcoRI and BamHI
D)  neither of these enzymes

Question 12

In nature, DNA recombination occurs but it is random and undirected. True or False?

Accepted Answer

A) True 
 B)False

Question 13

Define the term "biotechnology."

Accepted Answer

Biotechnology is any genetic a...

Question 14

Provide one example of a medical application of biotechnology.

Accepted Answer

Possible answers are genetic s...

Question 15

Which of the following is NOT a valid difference between traditional and modern forms of biotechnology?

Accepted Answer

A)  Modern biotechnology can isolate and manipulate individual genes.
B)  Traditional biotechnology is almost always limited to genetic recombination between individuals of one species or two closely related species.
C)  Traditional biotechnology cannot produce entirely new genes in one step.
D)  Modern forms of biotechnology are slower than traditional forms of biotechnology.

Question 16

At least 80% of the ________ grown in the United States is transgenic.

Accepted Answer

A)  corn (only) 
B)  cotton (only) 
C)  soybeans (only) 
D)  corn and soybeans (only) 
E)  corn, cotton, and soybeans

Question 17

The genetic recombination of ________ caused massive, widespread epidemics that affected the global human population several times in the 20th century.

Accepted Answer

A)  human and bacterial plasmids
B)  bacterial and viral plasmids
C)  bird flu viruses and human flu viruses
D)  HIV and flu viruses

Question 18

In biotechnology research, DNA fragments created by restriction enzyme action are separated from one another via:

Accepted Answer

A)  crossing over.
B)  gel electrophoresis.
C)  centrifugation.
D)  filtering.
E)  the polymerase chain reaction.

Question 19

Which of the following can be used to detect genetic disorders?

Accepted Answer

A)  restriction fragment length polymorphisms (RFLPs) only
B)  arrays of DNA probes only
C)  single tandem repeats (STRs) only
D)  RFLPs and DNA probe arrays only
E)  RFLPs, DNA probe arrays, and STRs

Question 20

Which of the following involves the use of human genes?

Accepted Answer

A)  herbicide-resistant corn
B)  Bt toxin production by soybeans
C)  banana-based vaccine against pathogenic E. coli
D)  growth hormonetreated cows
E)  insulin production by bacteria

Exam 13: Biotechnology

Small, accessory chromosomes found in bacteria that are useful in recombinant DNA procedures are called:

Correct AnswerverifiedShow Answer

The genetic recombination of ________ caused massive, widespread epidemics that affected the global human population several times in the 20th century.

Correct AnswerverifiedShow Answer

Ligase enzymes are used to covalently bind together pieces of DNA. True or False?

Correct AnswerverifiedShow Answer

Define the term "biotechnology."

Correct AnswerverifiedBiotechnology is any genetic a...View AnswerShow Answer

In nature, DNA recombination occurs but it is random and undirected. True or False?

Correct AnswerverifiedShow Answer

At least 80% of the ________ grown in the United States is transgenic.

Correct AnswerverifiedShow Answer

Which of the following is NOT a natural means of DNA recombination?

Correct AnswerverifiedShow Answer

Which of the following involves the use of human genes?

Correct AnswerverifiedShow Answer

Provide one example of a medical application of biotechnology.

Correct AnswerverifiedPossible answers are genetic s...View AnswerShow Answer

The substances used to cut genes in recombinant DNA research are called:

Correct AnswerverifiedShow Answer

Restriction enzymes are useful in recombinant DNA studies because they:

Correct AnswerverifiedShow Answer

If you cut out a gene using EcoRI and BamHI, what enzyme(s) will you need to insert the gene into another chromosome?

Correct AnswerverifiedShow Answer

Which of the following is NOT a valid difference between traditional and modern forms of biotechnology?

Correct AnswerverifiedShow Answer

A recombinant plasmid contains only human and bacterial DNA. True or False?

Correct AnswerverifiedShow Answer

In biotechnology research, DNA fragments created by restriction enzyme action are separated from one another via:

Correct AnswerverifiedShow Answer

Based on this figure, to which of the following DNA sequences will the illustrated DNA probe bind?

Correct AnswerverifiedShow Answer

________ are small, circular pieces of DNA that are often used in the process of transformation.

Correct AnswerverifiedShow Answer

Specific fragments of DNA on a gel can be visualized using:

Correct AnswerverifiedShow Answer

Which of the following can be used to detect genetic disorders?

Correct AnswerverifiedShow Answer

In recombinant DNA technology, plasmids:

Correct AnswerverifiedShow Answer

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Biotechnology is any genetic a...
View Answer

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Possible answers are genetic s...
View Answer

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