Question 1

Which of the following is not a level of regulation for gene expression?

Accepted Answer

A)   Pretranscriptional
B)   Transcriptional
C)   Posttranscriptional
D)   Pretranslational
E)   TranslationalF) B) and E)
G) A) and D) D

Question 2

Which structure contains the anticodon?

Accepted Answer

A)   the mRNA
B)   the large ribosomal subunit
C)   the small ribosomal subunit
D)   the tRNA
E)   the rRNAF) None of the above
G) C) and E)

Question 3

Which of the following is a benefit gained from learning how to sequence DNA?

Accepted Answer

A)   identification of faulty genes
B)   development of treatments for diseases
C)   modification of crops to increase yields
D)   understanding of our evolutionary history
E)   all of these are benefits gained from DNA sequencingF) D) and E)
G) A) and B)

Question 4

In ex vivo gene therapy, therapeutic DNA is injected into body cells with the use of a vector or carrier molecule.

Accepted Answer

A) True 
 B)False

Question 5

Mouse models for human diseases, such as cystic fibrosis, have been created by recombinant DNA technology.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is not a desirable trait for a genetically engineered plant?

Accepted Answer

A)   disease resistant
B)   salt sensitive
C)   improved yield
D)   modified wood pulp
E)   drought tolerantF) B) and E)
G) A) and B) B

Question 7

What enzyme is responsible for transcribing RNA?

Accepted Answer

A)   helicase
B)   DNA polymerase
C)   RNA polymerase
D)   ligase
E)   proteaseF) B) and D)
G) A) and E)

Question 8

The "r" in "rRNA" stands for reticulum RNA because this type of RNA is associated with the endoplasmic reticulum.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is the monomer unit of DNA?

Accepted Answer

A)   amino acids
B)   fatty acids
C)   nucleotides
D)   carbohydrate rings
E)   steroid ringsF) B) and C)
G) B) and E)

Question 10

When was the Human Genome Project completed?

Accepted Answer

A)   1999
B)   2001
C)   2003
D)   2005
E)   2010F) A) and D)
G) D) and E)

Question 11

Exons in mRNAs are excised and left in the nucleus.

Accepted Answer

A) True 
 B)False

Question 12

Researchers found 3 genes on chromosome 22 in chimpanzees that, when compared to our human genes, have given us insight into our evolution. What were those three genes?

Accepted Answer

A)   genes for speech development, hearing, and smell
B)   genes for chest size, cranial size, and leg length
C)   genes for taste, opposable thumbs, and bipedalism
D)   genes for speech development, opposable thumbs, and leg length
E)   genes for food preference, bipedalism, and cranial sizeF) A) and B)
G) A) and C)

Question 13

Which of the following is not true regarding ribosomes?

Accepted Answer

A)   They are composed of two subunits.
B)   They contain both RNA and protein.
C)   They contain an A site and a P site.
D)   They translate RNA into protein.
E)   They function within the nucleus.F) A) and B)
G) B) and C)

Question 14

When the sequence CGCAAUGCAAGGA is translated, the corresponding protein will be arginine-asparagine-alanine-arginine.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is a coding RNA?

Accepted Answer

A)   small RNA
B)   tRNA
C)   rRNA
D)   mRNA
E)   large RNAF) C) and D)
G) None of the above

Question 16

Which of the following is not a type of small RNA?

Accepted Answer

A)   snoRNAs
B)   tRNA
C)   snRNAs
D)   miRNAs
E)   siRNAsF) D) and E)
G) B) and C)

Question 17

All of the RNAs

Accepted Answer

A)   can be found in the ribosomes.
B)   are translated into proteins.
C)   are transcribed from DNA.
D)   function within the nucleus.
E)   interact with amino acids.F) B) and C)
G) A) and E) C

Question 18

How similar are our genomes to those of a mouse?

Accepted Answer

A)   1%
B)   10%
C)   35%
D)   85%
E)   99%F) D) and E)
G) A) and E)

Question 19

More than 50% of the entire human genome codes for functional proteins.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is not an application of PCR?

Accepted Answer

A)   study evolutionary history
B)   study mummies
C)   crime scene investigations
D)   treat cancer
E)   detect a genetic disorderF) A) and B)
G) B) and D)

Exam 21: DNA Biology and Technology

Which of the following is not a level of regulation for gene expression?

Correct AnswerverifiedD

Which structure contains the anticodon?

Correct AnswerverifiedShow Answer

Which of the following is a benefit gained from learning how to sequence DNA?

Correct AnswerverifiedShow Answer

In ex vivo gene therapy, therapeutic DNA is injected into body cells with the use of a vector or carrier molecule.

Correct AnswerverifiedShow Answer

Mouse models for human diseases, such as cystic fibrosis, have been created by recombinant DNA technology.

Correct AnswerverifiedShow Answer

Which of the following is not a desirable trait for a genetically engineered plant?

Correct AnswerverifiedB

What enzyme is responsible for transcribing RNA?

Correct AnswerverifiedShow Answer

The "r" in "rRNA" stands for reticulum RNA because this type of RNA is associated with the endoplasmic reticulum.

Correct AnswerverifiedShow Answer

Which of the following is the monomer unit of DNA?

Correct AnswerverifiedShow Answer

When was the Human Genome Project completed?

Correct AnswerverifiedShow Answer

Exons in mRNAs are excised and left in the nucleus.

Correct AnswerverifiedShow Answer

Researchers found 3 genes on chromosome 22 in chimpanzees that, when compared to our human genes, have given us insight into our evolution. What were those three genes?

Correct AnswerverifiedShow Answer

Which of the following is not true regarding ribosomes?

Correct AnswerverifiedShow Answer

When the sequence CGCAAUGCAAGGA is translated, the corresponding protein will be arginine-asparagine-alanine-arginine.

Correct AnswerverifiedShow Answer

Which of the following is a coding RNA?

Correct AnswerverifiedShow Answer

Which of the following is not a type of small RNA?

Correct AnswerverifiedShow Answer

All of the RNAs

Correct AnswerverifiedC

How similar are our genomes to those of a mouse?

Correct AnswerverifiedShow Answer

More than 50% of the entire human genome codes for functional proteins.

Correct AnswerverifiedShow Answer

Which of the following is not an application of PCR?

Correct AnswerverifiedShow Answer

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D

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B

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C

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