Microbiology: A Systems Approach
Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 4, Problem 5MCQ

Which of the following is present in both gram-positive and gram-negative cell walls?

  1. a. an outer membrane
  2. b. peptidoglycan
  3. c. teichoic acid
  4. d. lipopolysaccharides
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Which of the following statement about the bacterial cell wall is INCORRECT? a. The cell wall is relatively nonpermeable and restricts the passage of sugars and amino acids. b. Gram-positive cells have more peptidoglycan in theircell walls than Gram-negative cells. c. Gram-negative cells have a membrane both inside andoutside their cell walls. d. The cell wall establishes a bacterium’s shape as a coccus,bacillus, or spirillum.
Which of the following is present in both gram-positive and gramnegativecell walls?a. an outer membrane. c. teichoic acidb. peptidoglycan d.lipopolysaccharides
was used by Joseph Lister to clean wounds and surgical instruments: A.Antibiotics b.Chlorine water Carbonic acid dAntitoxins e. Carbolic acid Which one of the following does not apply to the bacterial glycocalyx? It is not responsible for virulency b .It allows the organism to resist drying C. It may allow an organism to resist phagocytosis d.It is composed of carbohydrates E. It is enclosed by the cell wall

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Microbiology: A Systems Approach

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