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How bacteria cause disease (Lec 3) (Set 1)

30 Questions

2 Views

How bacteria cause disease (Lec 3) (Set 1)

Created by

@InexpensiveFriendship

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Questions and Answers

G proteases, lipases, and haemolysins have toxic effects on mammalian cells.

True

Endotoxin is called endotoxin because it is bound to cells and released when the bacterium lyses or during cell growth.

True

The lipid A part of endotoxin can have endotoxin activity, activating many host systems that cause damage.

True

Prokaryotes are considered primitive organisms.

<p>False</p> Signup and view all the answers

Prokaryotes have a nucleus and membrane-enclosed organelles.

<p>False</p> Signup and view all the answers

Which of the following is NOT a step in the infectious disease process?

<p>Evasion of host defense</p> Signup and view all the answers

What is the main function of the lipid A part of endotoxin?

<p>Activating host systems</p> Signup and view all the answers

What is the primary reason why prokaryotes are highly evolved organisms?

<p>Their adaptability</p> Signup and view all the answers

Which of the following is NOT a characteristic of prokaryotes?

<p>Nucleus and membrane-enclosed organelles</p> Signup and view all the answers

What is the main route of passive escape for the continued life of a pathogen?

<p>Faeces</p> Signup and view all the answers

Which of the following is a structural adaptation of prokaryotes?

<p>Flagella</p> Signup and view all the answers

Which of the following is NOT a functional adaptation of prokaryotes?

<p>Short doubling time</p> Signup and view all the answers

What is the primary mode of reproduction for prokaryotes?

<p>Binary fission</p> Signup and view all the answers

What is the main benefit of rapid reproduction for prokaryotes?

<p>Short doubling time</p> Signup and view all the answers

Which of the following is NOT a characteristic of prokaryotes?

<p>Membrane-enclosed organelles</p> Signup and view all the answers

True or false: Prokaryotes have a nucleus and membrane-enclosed organelles.

<p>False</p> Signup and view all the answers

True or false: Prokaryotes have a circular chromosome.

<p>True</p> Signup and view all the answers

True or false: Prokaryotes have a capsule for adhesion and evasion.

<p>True</p> Signup and view all the answers

True or false: Prokaryotes have a cell wall.

<p>True</p> Signup and view all the answers

True or false: Prokaryotes have fimbriae for adhesion.

<p>True</p> Signup and view all the answers

True or false: Prokaryotes have flagella for motility.

<p>True</p> Signup and view all the answers

True or false: Prokaryotes have a sex pilus for conjugation.

<p>True</p> Signup and view all the answers

True or false: Prokaryotes have a membrane-enclosed organelles.

<p>False</p> Signup and view all the answers

True or false: Prokaryotes have a nucleus.

<p>False</p> Signup and view all the answers

True or false: Prokaryotes have a short doubling time due to rapid reproduction.

<p>True</p> Signup and view all the answers

Which of the following is NOT a functional adaptation of prokaryotes?

<p>Capsule adhesion</p> Signup and view all the answers

What is the main function of the capsule in prokaryotes?

<p>Adhesion</p> Signup and view all the answers

Which of the following is NOT a characteristic of prokaryotes?

<p>Nucleoid</p> Signup and view all the answers

What is the main benefit of rapid reproduction for prokaryotes?

<p>Increased genetic diversity</p> Signup and view all the answers

What is the primary mode of reproduction for prokaryotes?

<p>Binary fission</p> Signup and view all the answers

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