Question 1

Antibodies have two binding sites to react with antigens.

Accepted Answer

A) True 
 B)False  True

Question 2

With the influenza virus,there are 16 types of ______

Accepted Answer

A)  Influenza A 
B)  lethal variants 
C)  spike proteins 
D)  hemaglutinin (H
A)  subtypes 
A)  Influenza A 
B)  lethal variants 
C)  spike proteins 
D)  hemaglutinin (H
A)  subtypes D

Question 3

Which of the following best describes the function of reverse transcriptase?

Accepted Answer

A)  It's involved in viral attachment to a host cell. 
B)  It uses an RNA template to make a double-stranded DNA. 
C)  It uses DNA to synthesize an RNA in the 3' 5' direction. 
D)  It joins the gene segments that code for antibodies. 
A)  It's involved in viral attachment to a host cell. 
B)  It uses an RNA template to make a double-stranded DNA. 
C)  It uses DNA to synthesize an RNA in the 3' 5' direction. 
D)  It joins the gene segments that code for antibodies. B

Question 4

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 5

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 6

Which of the following cell types kills cells that have been infected by viruses or that are cancerous?

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 7

Viruses can be genetically engineered to specifically target cancer cells.

Accepted Answer

A) True 
 B)False

Question 8

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

Question 9

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

Question 10

Which of the following cells actually makes antibodies?

Accepted Answer

A)  T cells. 
B)  B cells. 
C)  NK cells. 
D)  Dendritic cells. 
A)  T cells. 
B)  B cells. 
C)  NK cells. 
D)  Dendritic cells.

Question 11

What is the function of protein spikes on a virus?

Accepted Answer

A)  They protect the genome. 
B)  They are involved with incorporation of the genome into that of host (lysogeny). 
C)  They transcribe the RNA genome into a DNA copy. 
D)  They help the virus attach to the host. 
A)  They protect the genome. 
B)  They are involved with incorporation of the genome into that of host (lysogeny). 
C)  They transcribe the RNA genome into a DNA copy. 
D)  They help the virus attach to the host.

Question 12

Which of the following does not arise from a defect in the immune system?

Accepted Answer

A)  Allergies. 
B)  Sugar intolerance. 
C)  Autoimmune diseases. 
D)  Immunodeficiency. 
E)  All of these can be caused by defects in the immune system. 
A)  Allergies. 
B)  Sugar intolerance. 
C)  Autoimmune diseases. 
D)  Immunodeficiency. 
E)  All of these can be caused by defects in the immune system.

Question 13

A viral genome is

Accepted Answer

A)  always double-stranded. 
B)  always single-stranded. 
C)  may be double or single stranded. 
A)  always double-stranded. 
B)  always single-stranded. 
C)  may be double or single stranded.

Question 14

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 15

Monoclonal antibodies arise from proliferation of a single B cell.

Accepted Answer

A) True 
 B)False

Question 16

Colds are commonly caused by

Accepted Answer

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

Question 17

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 18

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 19

Which of the following descriptions of T cells is true?

Accepted Answer

A)  They produce interleukins. 
B)  They display MHCs. 
C)  They produce antibodies. 
D)  They act as either helper or killer cells. 
E)  They carry out all these functions. 
A)  They produce interleukins. 
B)  They display MHCs. 
C)  They produce antibodies. 
D)  They act as either helper or killer cells. 
E)  They carry out all these functions.

Question 20

Proteins which inhibit transcription of genes that would cause increased replication are called

Accepted Answer

A)  oncogenes. 
B)  tumor suppressors. 
C)  cytokines. 
D)  interleukins. 
A)  oncogenes. 
B)  tumor suppressors. 
C)  cytokines. 
D)  interleukins.

Exam 14: Viruses, Cancer, and Immunology

Antibodies have two binding sites to react with antigens.

With the influenza virus,there are 16 types of ______

Which of the following best describes the function of reverse transcriptase?

An epitope is

Dendritic cells

Which of the following cell types kills cells that have been infected by viruses or that are cancerous?

Viruses can be genetically engineered to specifically target cancer cells.

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?

Which of the following cells actually makes antibodies?

What is the function of protein spikes on a virus?

Which of the following does not arise from a defect in the immune system?

A viral genome is

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

Monoclonal antibodies arise from proliferation of a single B cell.

Colds are commonly caused by

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

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

Which of the following descriptions of T cells is true?

Proteins which inhibit transcription of genes that would cause increased replication are called

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

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