Cell Culture: Continuous Cell Lines Quiz

What is a requirement for multiple rounds of viral replication to occur in tissues?

Expression of viral genes

Low levels of host immune response

Presence of the appropriate activating enzymes (correct)

High viral load in the tissues

Why won't multiple rounds of viral replication occur in tissues that lack the appropriate enzymes?

Inhibition of viral entry into the cells

Activation of host immune responses

Prevention of viral RNA synthesis

Lack of necessary cellular machinery (correct)

What role do activating enzymes play in viral replication?

Enhance viral RNA transcription

Enable viral proteins synthesis (correct)

Facilitate viral attachment to host cells

Induce viral mutations

Which factor is crucial for initiating multiple rounds of viral replication in tissues?

Presence of specific activating enzymes Signup and view all the answers

In the context of tissues lacking activating enzymes, what is a likely outcome regarding viral replication?

Viral particles remain inactive in the tissues Signup and view all the answers

What type of cell lines are capable of prolonged, potentially indefinite growth?

Continuous cell lines Signup and view all the answers

Which type of cell lines can be derived from malignant tissues?

Continuous cell lines Signup and view all the answers

What is the main component of humoral immunity?

Antibodies & complement Signup and view all the answers

Which type of immunity involves B & T cells?

Adaptive immunity Signup and view all the answers

What is a characteristic of continuous cell lines?

Prolonged growth capability Signup and view all the answers

Which type of cell lines are derived from diploid cell lines?

Continuous cell lines Signup and view all the answers

What is the role of antibodies in humoral immunity?

Limit viral spread Signup and view all the answers

Which of the following can antibodies do in humoral immunity?

Neutralize the infectivity of viruses Signup and view all the answers

Which type of cell lines are not capable of prolonged growth?

Finite cell lines Signup and view all the answers

How can complement proteins contribute to humoral immunity?

Limit viral spread Signup and view all the answers

What type of entity is the hemagglutinin protein associated with?

Influenza virus Signup and view all the answers

What role does the hemagglutinin protein play in influenza virus infection?

Facilitates viral entry into host cells Signup and view all the answers

Which of the following is a characteristic of the hemagglutinin protein?

It is encoded by the viral genome Signup and view all the answers

How does the hemagglutinin protein contribute to the virulence of influenza virus?

By helping the virus enter host cells more efficiently Signup and view all the answers

Which of the following is a function of the hemagglutinin protein in influenza virus?

Binding to host cell receptors Signup and view all the answers

What should be the outcome of the passage of particles in tissue culture?

Production of progeny with both biologic and serologic properties of the virus Signup and view all the answers

What properties should the progeny of the passage of particles in tissue culture have?

Properties of the virus Signup and view all the answers

What is the significance of the passage of particles in tissue culture?

To produce progeny with the properties of the virus Signup and view all the answers

What is expected to happen to the particles during the passage in tissue culture?

The particles will produce progeny with the properties of the virus Signup and view all the answers

What is the purpose of studying the passage of particles in tissue culture?

To understand the properties of the virus Signup and view all the answers

Cell Culture: Continuous Cell Lines Quiz

Questions and Answers

What is a requirement for multiple rounds of viral replication to occur in tissues?

Why won't multiple rounds of viral replication occur in tissues that lack the appropriate enzymes?

What role do activating enzymes play in viral replication?

Which factor is crucial for initiating multiple rounds of viral replication in tissues?

In the context of tissues lacking activating enzymes, what is a likely outcome regarding viral replication?

What type of cell lines are capable of prolonged, potentially indefinite growth?

Which type of cell lines can be derived from malignant tissues?

What is the main component of humoral immunity?

Which type of immunity involves B & T cells?

What is a characteristic of continuous cell lines?

Which type of cell lines are derived from diploid cell lines?

What is the role of antibodies in humoral immunity?

Which of the following can antibodies do in humoral immunity?

Which type of cell lines are not capable of prolonged growth?

How can complement proteins contribute to humoral immunity?

What type of entity is the hemagglutinin protein associated with?

What role does the hemagglutinin protein play in influenza virus infection?

Which of the following is a characteristic of the hemagglutinin protein?

How does the hemagglutinin protein contribute to the virulence of influenza virus?

Which of the following is a function of the hemagglutinin protein in influenza virus?

What should be the outcome of the passage of particles in tissue culture?

What properties should the progeny of the passage of particles in tissue culture have?

What is the significance of the passage of particles in tissue culture?

What is expected to happen to the particles during the passage in tissue culture?

What is the purpose of studying the passage of particles in tissue culture?

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