Question 1

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. 
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. C

Question 2

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

Accepted Answer

A)  Pretranscriptional 
B)  Transcriptional 
C)  Posttranscriptional 
D)  Pretranslational 
E)  Translational 
A)  Pretranscriptional 
B)  Transcriptional 
C)  Posttranscriptional 
D)  Pretranslational 
E)  Translational D

Question 3

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

Question 4

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 sequencing 
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 sequencing

Question 5

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 rRNA 
A)  the mRNA 
B)  the large ribosomal subunit 
C)  the small ribosomal subunit 
D)  the tRNA 
E)  the rRNA

Question 6

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. 
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.

Question 7

Which of the following is a coding RNA?

Accepted Answer

A)  small RNA 
B)  tRNA 
C)  rRNA 
D)  mRNA 
E)  large RNA 
A)  small RNA 
B)  tRNA 
C)  rRNA 
D)  mRNA 
E)  large RNA

Question 8

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

Accepted Answer

A)  snoRNAs 
B)  tRNA 
C)  snRNAs 
D)  miRNAs 
E)  siRNAs 
A)  snoRNAs 
B)  tRNA 
C)  snRNAs 
D)  miRNAs 
E)  siRNAs

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

Exons in mRNAs are excised and left in the nucleus.

Accepted Answer

A) True 
 B)False

Question 11

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

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 size 
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 size

Question 13

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

Question 14

What enzyme is responsible for transcribing RNA?

Accepted Answer

A)  helicase 
B)  DNA polymerase 
C)  RNA polymerase 
D)  ligase 
E)  protease 
A)  helicase 
B)  DNA polymerase 
C)  RNA polymerase 
D)  ligase 
E)  protease

Question 15

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 16

When was the Human Genome Project completed?

Accepted Answer

A)  1999 
B)  2001 
C)  2003 
D)  2005 
E)  2010 
A)  1999 
B)  2001 
C)  2003 
D)  2005 
E)  2010

Question 17

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 18

How similar are our genomes to those of a mouse?

Accepted Answer

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

Question 19

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

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 21: DNA Biology and Technology

All of the RNAs

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

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

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

Which structure contains the anticodon?

Which of the following is not true regarding ribosomes?

Which of the following is a coding RNA?

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

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

Exons in mRNAs are excised and left in the nucleus.

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

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?

Which of the following is the monomer unit of DNA?

What enzyme is responsible for transcribing RNA?

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

When was the Human Genome Project completed?

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

How similar are our genomes to those of a mouse?

Which of the following is not an application of PCR?

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

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