Question 1

The protein called p53 is especially important in cancer because:

Accepted Answer

A)  Protein p53 has the ability to prevent cells from dividing. 
B)  Protein p53 has the ability to repair mutations. 
C)  Protein p53 can cause damaged cells to enter programmed cell death. 
D)  Protein p53 can prevent cells from dividing and cause to enter programmed cell death. 
E)  All of these. 
A)  Protein p53 has the ability to prevent cells from dividing. 
B)  Protein p53 has the ability to repair mutations. 
C)  Protein p53 can cause damaged cells to enter programmed cell death. 
D)  Protein p53 can prevent cells from dividing and cause to enter programmed cell death. 
E)  All of these. D

Question 2

The designation of white blood cells as T cells and B cells refers to whether the cells develop primarily in the Thymus gland or the Bone marrow.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following is not a feature common to all retroviruses?

Accepted Answer

A)  Reverse Transcriptase (RT) 
B)  Retroviral Coat Protein (CP) 
C)  Retroviral Envelope Protein (EP) 
D)  Sarcoma Oncogenes 
A)  Reverse Transcriptase (RT) 
B)  Retroviral Coat Protein (CP) 
C)  Retroviral Envelope Protein (EP) 
D)  Sarcoma Oncogenes D

Question 4

Monoclonal antibodies arise from proliferation of a single B cell.

Accepted Answer

A) True 
 B)False

Question 5

The ability of cancer cells to travel to other parts of the body and produce new tumors is called

Accepted Answer

A)  immortality. 
B)  oncogenesis. 
C)  metastasis. 
D)  suppression. 
A)  immortality. 
B)  oncogenesis. 
C)  metastasis. 
D)  suppression.

Question 6

Hybridomas, which produce monoclonal antibodies, are made by fusing cells of the immune system with

Accepted Answer

A)  cancerous cells. 
B)  viruses. 
C)  bacterial cells. 
D)  ribosomes. 
A)  cancerous cells. 
B)  viruses. 
C)  bacterial cells. 
D)  ribosomes.

Question 7

A virus life cycle that involves the incorporation of the viral DNA into the host chromosome is

Accepted Answer

A)  lysogeny. 
B)  lytic. 
C)  oncogenic. 
D)  non-existent. 
A)  lysogeny. 
B)  lytic. 
C)  oncogenic. 
D)  non-existent.

Question 8

Which of the following classes of organisms can viruses infect?

Accepted Answer

A)  bacteria 
B)  plants 
C)  animals 
D)  All of these 
A)  bacteria 
B)  plants 
C)  animals 
D)  All of these

Question 9

The first vaccine was made against

Accepted Answer

A)  smallpox. 
B)  rhinoviruses. 
C)  HIV. 
D)  SV40. 
A)  smallpox. 
B)  rhinoviruses. 
C)  HIV. 
D)  SV40.

Question 10

Long terminal repeats (LTRs) are involved in which part of the retroviral lifecycle?

Accepted Answer

A)  incorporating the viral genome into the host genome 
B)  replicating the viral DNA 
C)  creating the nucleocapsid 
D)  production of spike proteins 
E)  none of these 
A)  incorporating the viral genome into the host genome 
B)  replicating the viral DNA 
C)  creating the nucleocapsid 
D)  production of spike proteins 
E)  none of these

Question 11

Herceptin is a

Accepted Answer

A)  protein found in liver cancer 
B)  drug designed to fight a specific type of breast cancer 
C)  drug that inhibits autoimmune diseases 
D)  none of these 
A)  protein found in liver cancer 
B)  drug designed to fight a specific type of breast cancer 
C)  drug that inhibits autoimmune diseases 
D)  none of these

Question 12

Clonal selection is the ability of the immune system to control the proliferation of antigen-specific cells, since it has a mechanism to recognize which cells interact with that antigen.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is an example of an autoimmune disease?

Accepted Answer

A)  rheumatoid arthritis 
B)  lupus 
C)  some forms of diabetes 
D)  all of these 
A)  rheumatoid arthritis 
B)  lupus 
C)  some forms of diabetes 
D)  all of these

Question 14

More than one type of antigen can bind to an antibody, but there is only one type of antibody for each antigen.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following cell types engulf invaders and display portions of their proteins to other cells?

Accepted Answer

A)  NK cells 
B)  dendritic cells 
C)  T cells 
D)  B cells 
A)  NK cells 
B)  dendritic cells 
C)  T cells 
D)  B cells

Question 16

An epitope is

Accepted Answer

A)  a disease-causing organism. 
B)  a binding site for an antigen on an antibody. 
C)  a class of plasma cell. 
D)  a protein secreted by T cells to activate the growth of other cells. 
A)  a disease-causing organism. 
B)  a binding site for an antigen on an antibody. 
C)  a class of plasma cell. 
D)  a protein secreted by T cells to activate the growth of other cells.

Question 17

Dendritic cells

Accepted Answer

A)  secrete cytokines, recruiting other cells to destroy microbes. 
B)  display antigens associated with MHC proteins. 
C)  produce antibodies. 
D)  bind to antigens, which leads to their proliferation. 
A)  secrete cytokines, recruiting other cells to destroy microbes. 
B)  display antigens associated with MHC proteins. 
C)  produce antibodies. 
D)  bind to antigens, which leads to their proliferation.

Question 18

Antibodies have two binding sites to react with antigens.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following genes in normal cells can be related to oncogenes?

Accepted Answer

A)  Cyclins, which regulate the timing of cell division. 
B)  Tumor suppressing proteins. 
C)  Hormone receptors on the surface of the cell. 
D)  Protein kinases, which regulate the activity of cellular proteins. 
E)  Oncogenes include examples of all of these. 
A)  Cyclins, which regulate the timing of cell division. 
B)  Tumor suppressing proteins. 
C)  Hormone receptors on the surface of the cell. 
D)  Protein kinases, which regulate the activity of cellular proteins. 
E)  Oncogenes include examples of all of these.

Question 20

Colds are commonly caused by

Accepted Answer

A)  SV40. 
B)  retroviruses. 
C)  coronaviruses. 
D)  rhinoviruses. 
A)  SV40. 
B)  retroviruses. 
C)  coronaviruses. 
D)  rhinoviruses.

Exam 14: Viruses, Cancer, and Immunology

The protein called p53 is especially important in cancer because:

The designation of white blood cells as T cells and B cells refers to whether the cells develop primarily in the Thymus gland or the Bone marrow.

Which of the following is not a feature common to all retroviruses?

Monoclonal antibodies arise from proliferation of a single B cell.

The ability of cancer cells to travel to other parts of the body and produce new tumors is called

Hybridomas, which produce monoclonal antibodies, are made by fusing cells of the immune system with

A virus life cycle that involves the incorporation of the viral DNA into the host chromosome is

Which of the following classes of organisms can viruses infect?

The first vaccine was made against

Long terminal repeats (LTRs) are involved in which part of the retroviral lifecycle?

Herceptin is a

Clonal selection is the ability of the immune system to control the proliferation of antigen-specific cells, since it has a mechanism to recognize which cells interact with that antigen.

Which of the following is an example of an autoimmune disease?

More than one type of antigen can bind to an antibody, but there is only one type of antibody for each antigen.

Which of the following cell types engulf invaders and display portions of their proteins to other cells?

An epitope is

Dendritic cells

Antibodies have two binding sites to react with antigens.

Which of the following genes in normal cells can be related to oncogenes?

Colds are commonly caused by

Biochemistry and the Organization of Cells

Water: the Solvent for Biochemical Reactions

Amino Acids and Peptides

The Three-Dimensional Structure of Proteins

Protein Purification and Characterization Techniques

The Behavior of Proteins: Enzymes

The Behavior of Proteins: Enzymes, Mechanisms, and Control

Lipids and Proteins Are Associated in Biological Membranes

Nucleic Acids: How Structure Conveys Information

Biosynthesis of Nucleic Acids: Replication

Transcription of the Genetic Code: Biosynthesis of RNA

Protein Synthesis: Translation of the Genetic Message

Nucleic Acid Biotechnology Techniques

The Importance of Energy Changes and Electron Transfer in Metabolism

Carbohydrates

Glycolysis

Storage Mechanisms and Control in Carbohydrate Metabolism

The Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Photosynthesis

The Metabolism of Nitrogen

Integration of Metabolism: Cellular Signaling

Filters