Question 1

Can the PCR technique be used to copy an entire chromosome all at once?

Accepted Answer

A) No,only the genes would be copied. 
B) No,the PCR machine can only copy fragments of DNA. 
C) No,while the DNA would be copied,the scaffolding proteins would not. 
D) Yes,that is its primary function. 
A) No,only the genes would be copied. 
B) No,the PCR machine can only copy fragments of DNA. 
C) No,while the DNA would be copied,the scaffolding proteins would not. 
D) Yes,that is its primary function. B

Question 2

Which enzyme used in the natural replication of DNA in a cell is also used when cloning a gene in the laboratory?

Accepted Answer

A) DNA ligase 
B) DNA helicase 
C) DNA polymerase 
D) DNA transcriptase 
A) DNA ligase 
B) DNA helicase 
C) DNA polymerase 
D) DNA transcriptase A

Question 3

The small circular molecules of DNA commonly found in bacteria are called ________.

Accepted Answer

A) chromatids 
B) plastids 
C) chromophores 
D) plasmids 
A) chromatids 
B) plastids 
C) chromophores 
D) plasmids D

Question 4

What do the letters D-N-A stand for?

Accepted Answer

A) Dioxyribonucleic acid 
B) Dioxyribonuclear acid 
C) Deoxyribonucleic acid 
D) Deoxyrobonuclear acid 
A) Dioxyribonucleic acid 
B) Dioxyribonuclear acid 
C) Deoxyribonucleic acid 
D) Deoxyrobonuclear acid

Question 5

Which genes are responsible for your overall structure,such as how many legs you have and where they develop?

Accepted Answer

A) Oncogenes 
B) Proto-oncogenes 
C) Growth factor genes 
D) Homeotic genes 
A) Oncogenes 
B) Proto-oncogenes 
C) Growth factor genes 
D) Homeotic genes

Question 6

Of whom is the baby a clone?

Accepted Answer

A) Egg donor 
B) DNA donor 
C) Surrogate mother 
D) It depends on whether it is male or female. 
A) Egg donor 
B) DNA donor 
C) Surrogate mother 
D) It depends on whether it is male or female.

Question 7

How would the cDNA created in the lab compare to the original DNA?

Accepted Answer

A) It would be shorter because it only represents the genes that were transcribed in the cell at the time. 
B) It would be longer because it would also include sequences needed to stabilize the molecule. 
C) It would be single stranded because it is made by copying only the coding strand of DNA. 
D) It would be circular instead of linear because bacteria are used in the process and they can only work with circular DNA molecules. 
A) It would be shorter because it only represents the genes that were transcribed in the cell at the time. 
B) It would be longer because it would also include sequences needed to stabilize the molecule. 
C) It would be single stranded because it is made by copying only the coding strand of DNA. 
D) It would be circular instead of linear because bacteria are used in the process and they can only work with circular DNA molecules.

Question 8

What is not a structural difference between DNA and RNA?

Accepted Answer

A) They each contain a slightly different sugar molecule. 
B) DNA is double stranded,RNA is a single strand. 
C) Where DNA has a phosphate group,RNA has a methyl group. 
D) One of the bases is different. 
A) They each contain a slightly different sugar molecule. 
B) DNA is double stranded,RNA is a single strand. 
C) Where DNA has a phosphate group,RNA has a methyl group. 
D) One of the bases is different.

Question 9

If you started the PCR technique with two fragments of double stranded DNA,calculate how many double stranded DNA fragments you would you have after four cycles.

Accepted Answer

A) 8 
B) 16 
C) 32 
D) 64 
A) 8 
B) 16 
C) 32 
D) 64

Question 10

What does "transfer RNA" actually transfer?

Accepted Answer

A) Ribosome 
B) Codons 
C) Amino acids 
D) Transcripts 
A) Ribosome 
B) Codons 
C) Amino acids 
D) Transcripts

Question 11

How does a cell typically know when to divide?

Accepted Answer

A) They have an internal clock and only divide when they reach a certain age. 
B) Tumor suppressor genes code for growth factor proteins that initiate cell division. 
C) Proto-oncogenes code for growth factor proteins that initiate cell division. 
D) Oncogenes code for growth factor proteins that initiate cell division. 
A) They have an internal clock and only divide when they reach a certain age. 
B) Tumor suppressor genes code for growth factor proteins that initiate cell division. 
C) Proto-oncogenes code for growth factor proteins that initiate cell division. 
D) Oncogenes code for growth factor proteins that initiate cell division.

Question 12

According to the base pairing rules of DNA,if the sequence of bases on one strand was AGGCTTA,what would be the sequence of bases on the complementary strand?

Accepted Answer

A) AGGCTTA 
B) ATTCGGA 
C) CGGATTC 
D) TCCGAAT 
A) AGGCTTA 
B) ATTCGGA 
C) CGGATTC 
D) TCCGAAT

Question 13

The spread of cancer cells from their site of origin to sites distant in the body is called ________.

Accepted Answer

A) metastasis 
B) epistasis 
C) peristalsis 
D) transformation 
A) metastasis 
B) epistasis 
C) peristalsis 
D) transformation

Question 14

Will the clone be sterile or fertile?

Accepted Answer

A) Sterile 
B) Fertile 
C) It depends on whether it is male or female. 
A) Sterile 
B) Fertile 
C) It depends on whether it is male or female.

Question 15

How does chemotherapy kill cancer cells and why might it also result in hair loss and nausea?

Accepted Answer

Chemotherapy involves the administration

Question 16

DNA helicase breaks which type of bond in the DNA molecule?

Accepted Answer

A) Covalent bonds 
B) Hydrogen bonds 
C) Ionic bonds 
D) Peptide bonds 
A) Covalent bonds 
B) Hydrogen bonds 
C) Ionic bonds 
D) Peptide bonds

Question 17

If the codon is AAA,what is the complementary anticodon?

Accepted Answer

A) UUU 
B) TTT 
C) AAA 
D) CCC 
A) UUU 
B) TTT 
C) AAA 
D) CCC

Question 18

How does a scientist get the corrected version of a gene into the cells of a gene therapy patient?

Accepted Answer

A) It is delivered with a modified virus. 
B) It is directly injected with a microscopic hypodermic needle. 
C) By attaching it to a food molecule,like glucose,it is then ingested by the individual. 
D) By attaching it to the surface of microscopic beads,it is then shot into the individual (i.e.,shotgun method). 
A) It is delivered with a modified virus. 
B) It is directly injected with a microscopic hypodermic needle. 
C) By attaching it to a food molecule,like glucose,it is then ingested by the individual. 
D) By attaching it to the surface of microscopic beads,it is then shot into the individual (i.e.,shotgun method).

Question 19

Gel electrophoresis separates DNA fragments according to their ________.

Accepted Answer

A) length 
B) charge 
C) polarity 
D) base sequences 
A) length 
B) charge 
C) polarity 
D) base sequences

Question 20

Why can a person who is unable to produce insulin,be successfully treated with insulin derived from genetically modified bacteria?

Accepted Answer

A) Typical bacterial insulin is exactly the same as human insulin. 
B) The gene that produces insulin in humans was inserted into the bacteria where it continues to produce human insulin. 
C) The insulin-producing gene of bacteria was altered to have the same base sequence as the human counterpart and now produces the human version of insulin. 
D) Human insulin was inserted into bacteria and when the bacteria reproduce,so too does the insulin. 
A) Typical bacterial insulin is exactly the same as human insulin. 
B) The gene that produces insulin in humans was inserted into the bacteria where it continues to produce human insulin. 
C) The insulin-producing gene of bacteria was altered to have the same base sequence as the human counterpart and now produces the human version of insulin. 
D) Human insulin was inserted into bacteria and when the bacteria reproduce,so too does the insulin.

Can the PCR technique be used to copy an entire chromosome all at once?

Which enzyme used in the natural replication of DNA in a cell is also used when cloning a gene in the laboratory?

The small circular molecules of DNA commonly found in bacteria are called ________.

What do the letters D-N-A stand for?

Which genes are responsible for your overall structure,such as how many legs you have and where they develop?

Of whom is the baby a clone?

How would the cDNA created in the lab compare to the original DNA?

What is not a structural difference between DNA and RNA?

If you started the PCR technique with two fragments of double stranded DNA,calculate how many double stranded DNA fragments you would you have after four cycles.

What does "transfer RNA" actually transfer?

How does a cell typically know when to divide?

According to the base pairing rules of DNA,if the sequence of bases on one strand was AGGCTTA,what would be the sequence of bases on the complementary strand?

The spread of cancer cells from their site of origin to sites distant in the body is called ________.

Will the clone be sterile or fertile?

How does chemotherapy kill cancer cells and why might it also result in hair loss and nausea?

DNA helicase breaks which type of bond in the DNA molecule?

If the codon is AAA,what is the complementary anticodon?

How does a scientist get the corrected version of a gene into the cells of a gene therapy patient?

Gel electrophoresis separates DNA fragments according to their ________.

Why can a person who is unable to produce insulin,be successfully treated with insulin derived from genetically modified bacteria?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters

Exam 6: DNA: The Molecule of Life

Can the PCR technique be used to copy an entire chromosome all at once?

Which enzyme used in the natural replication of DNA in a cell is also used when cloning a gene in the laboratory?

The small circular molecules of DNA commonly found in bacteria are called ________.

What do the letters D-N-A stand for?

Which genes are responsible for your overall structure,such as how many legs you have and where they develop?

Of whom is the baby a clone?

How would the cDNA created in the lab compare to the original DNA?

What is not a structural difference between DNA and RNA?

If you started the PCR technique with two fragments of double stranded DNA,calculate how many double stranded DNA fragments you would you have after four cycles.

What does "transfer RNA" actually transfer?

How does a cell typically know when to divide?

According to the base pairing rules of DNA,if the sequence of bases on one strand was AGGCTTA,what would be the sequence of bases on the complementary strand?

The spread of cancer cells from their site of origin to sites distant in the body is called ________.

Will the clone be sterile or fertile?

How does chemotherapy kill cancer cells and why might it also result in hair loss and nausea?

DNA helicase breaks which type of bond in the DNA molecule?

If the codon is AAA,what is the complementary anticodon?

How does a scientist get the corrected version of a gene into the cells of a gene therapy patient?

Gel electrophoresis separates DNA fragments according to their ________.

Why can a person who is unable to produce insulin,be successfully treated with insulin derived from genetically modified bacteria?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Filters