Question 1

What are some applications of GMOs?

Accepted Answer

Some applications include gene transfers

Question 2

Match each description with the most appropriate term.
-short fragment of DNA labeled with a tracer

Accepted Answer

A) polymerase chain reaction (PCR) 
B) DNA cloning 
C) DNA sequencing 
D) DNA profiling 
E) electrophoresis
F)probe
G)transgenic 
A) polymerase chain reaction (PCR) 
B) DNA cloning 
C) DNA sequencing 
D) DNA profiling 
E) electrophoresis
F)probe
G)transgenic

Question 3

Which genetically modified organisms currently make the majority of human insulin for medical purposes?

Accepted Answer

A) yeast 
B) bacteria 
C) rabbits 
D) goats 
E) plants 
A) yeast 
B) bacteria 
C) rabbits 
D) goats 
E) plants

Question 4

Reverse transcriptase produces a ____ molecule.

Accepted Answer

A) double-stranded DNA 
B) single-stranded DNA 
C) double-stranded RNA 
D) single-stranded RNA 
E) protein 
A) double-stranded DNA 
B) single-stranded DNA 
C) double-stranded RNA 
D) single-stranded RNA 
E) protein

Question 5

RNA can serve as a template for the production of complementary DNA via the action of ____.

Accepted Answer

A) DNA polymerase 
B) RNA polymerase 
C) reverse transcriptase 
D) ligase 
E) restriction endonuclease 
A) DNA polymerase 
B) RNA polymerase 
C) reverse transcriptase 
D) ligase 
E) restriction endonuclease

Question 6

A base-pair substitution carried by a measurable percentage of a population is called a ____.

Accepted Answer

A) single-nucleotide polymorphism 
B) syndrome 
C) gene 
D) short tandem repeat 
E) recombinant gene 
A) single-nucleotide polymorphism 
B) syndrome 
C) gene 
D) short tandem repeat 
E) recombinant gene

Question 7

DNA is heated at the beginning of each PCR cycle to ____.

Accepted Answer

A) inactivate the DNA polymerase 
B) allow primers to bind to template DNA 
C) separate double-stranded DNA 
D) allow a new nucleotide chain to be produced 
E) denature contaminating proteins 
A) inactivate the DNA polymerase 
B) allow primers to bind to template DNA 
C) separate double-stranded DNA 
D) allow a new nucleotide chain to be produced 
E) denature contaminating proteins

Question 8

DNA profiling is based on the slight differences that occur in ____ in the human genome.

Accepted Answer

A) sex chromosomes 
B) base pairings 
C) short tandem repeats 
D) chromosome size 
E) DNA/RNA pairing 
A) sex chromosomes 
B) base pairings 
C) short tandem repeats 
D) chromosome size 
E) DNA/RNA pairing

Question 9

The human genome has approximately ____ protein-coding genes.

Accepted Answer

A) 2,000 
B) 10,000 
C) 20,000 
D) 200,000 
E) 500,000 
A) 2,000 
B) 10,000 
C) 20,000 
D) 200,000 
E) 500,000

Question 10

Which nucleotides are used in DNA sequencing reactions?

Accepted Answer

A) deoxynucleotides only 
B) dideoxynucleotides only 
C) ribonucleotides only 
D) deoxynucleotides and ribonucleotides 
E) deoxynucleotides and dideoxynucleotides 
A) deoxynucleotides only 
B) dideoxynucleotides only 
C) ribonucleotides only 
D) deoxynucleotides and ribonucleotides 
E) deoxynucleotides and dideoxynucleotides

Question 11

The "natural" use of restriction enzymes by bacteria is to ____.

Accepted Answer

A) integrate viral DNA 
B) destroy viral DNA 
C) repair "sticky ends" 
D) copy the bacterial genes 
E) clone DNA 
A) integrate viral DNA 
B) destroy viral DNA 
C) repair "sticky ends" 
D) copy the bacterial genes 
E) clone DNA

Question 12

During the production of recombinant DNA, ____ seals the gaps between hybridized DNA fragments.

Accepted Answer

A) DNA polymerase 
B) DNA ligase 
C) RNA polymerase 
D) ribosomes 
E) DNA repair enzymes 
A) DNA polymerase 
B) DNA ligase 
C) RNA polymerase 
D) ribosomes 
E) DNA repair enzymes

Question 13

A cancer patient's cells are removed and a new gene is introduced into the cells during growth in cell culture. The cells are then reintroduced into the patient and the inserted gene directs the destruction of the cancer cells. This is an example of ____.

Accepted Answer

A) gene therapy 
B) cloning 
C) DNA profiling 
D) DNA fingerprinting 
E) cell replacement therapy 
A) gene therapy 
B) cloning 
C) DNA profiling 
D) DNA fingerprinting 
E) cell replacement therapy

Question 14

Match each description with the most appropriate term.
-collections of DNA fragments incorporated into cloning vectors

Accepted Answer

A) cDNA 
B) a restriction enzyme 
C) reverse transcriptase 
D) a DNA library 
A) cDNA 
B) a restriction enzyme 
C) reverse transcriptase 
D) a DNA library

Question 15

Identifying an individual by analyzing the unique parts of his/her DNA is called ____.

Accepted Answer

A) sequencing​ 
B) ​genomics 
C) ​DNA profiling 
D) ​electrophoresis 
E) ​proteomics 
A) sequencing​ 
B) ​genomics 
C) ​DNA profiling 
D) ​electrophoresis 
E) ​proteomics

Question 16

-In the accompanying figure, in which step is a radioactive probe base-pairing to the target gene?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 17

Why is human insulin production by bacteria a beneficial use of genetic engineering?

Accepted Answer

Answer:Bacteria have the metab

Question 18

Match each scenario with the type of genetic engineering that best describes it.
-Bacteria are genetically modified to produce human insulin.

Accepted Answer

A) medical application 
B) research application 
C) agricultural application 
A) medical application 
B) research application 
C) agricultural application

Question 19

Explain how the Ti plasmid is used to genetically engineer plants.

Accepted Answer

A Ti plasmid carrying a foreign gene is

Question 20

A collection of cells containing different fragments of foreign DNA, often representing an organism's entire genome, is called ____.

Accepted Answer

A) copied DNA 
B) transcribed DNA 
C) DNA amplification 
D) a DNA library 
E) plasmid DNA 
A) copied DNA 
B) transcribed DNA 
C) DNA amplification 
D) a DNA library 
E) plasmid DNA

Exam 15: Biotechnology

What are some applications of GMOs?

Match each description with the most appropriate term. -short fragment of DNA labeled with a tracer

Which genetically modified organisms currently make the majority of human insulin for medical purposes?

Reverse transcriptase produces a ____ molecule.

RNA can serve as a template for the production of complementary DNA via the action of ____.

A base-pair substitution carried by a measurable percentage of a population is called a ____.

DNA is heated at the beginning of each PCR cycle to ____.

DNA profiling is based on the slight differences that occur in ____ in the human genome.

The human genome has approximately ____ protein-coding genes.

Which nucleotides are used in DNA sequencing reactions?

The "natural" use of restriction enzymes by bacteria is to ____.

During the production of recombinant DNA, ____ seals the gaps between hybridized DNA fragments.

A cancer patient's cells are removed and a new gene is introduced into the cells during growth in cell culture. The cells are then reintroduced into the patient and the inserted gene directs the destruction of the cancer cells. This is an example of ____.

Match each description with the most appropriate term. -collections of DNA fragments incorporated into cloning vectors

Identifying an individual by analyzing the unique parts of his/her DNA is called ____.

-In the accompanying figure, in which step is a radioactive probe base-pairing to the target gene?

Why is human insulin production by bacteria a beneficial use of genetic engineering?

Match each scenario with the type of genetic engineering that best describes it. -Bacteria are genetically modified to produce human insulin.

Explain how the Ti plasmid is used to genetically engineer plants.

A collection of cells containing different fragments of foreign DNA, often representing an organism's entire genome, is called ____.

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