Microbiology: An Introduction (13th Edition)
13th Edition
ISBN: 9780134605180
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 5MCQ
Which of the following terms is the most specific?
- a. bacillus
- b. Bacillus
- c. gram-positive
- d. endospore-forming rods and cocci
- e. anaerobic
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A bacterium has the following characteristics:∙ It adheres to the human intestinal lining using a feature that protects it from phagocytes, bacteriophages, and dehydration∙ It can survive being boiled∙ It contains no plasmids and relatively little peptidoglycanWhich of the following characteristics allows this bacterium to adhere to the intestinal lining?
Group of answer choices
A. fimbriae
B. pili
C. an endospore
D. a flagellum
What is/are the usual habitat(s) of endospore-forming bacteria that are agents of disease? a. the intestine of animals c. water b. dust and soil d. foods
Gram negative bacteria lose crystal violet colour
after alcohol treatment because of:
Select one:
a. Thick lipid layer, and thick peptidoglycan layer O
b. Thin lipid content, and thin peptidoglycan layer O
c. Thick lipid layer, and thin peptidoglycan layer
d. Absence of peptidoglycan layer
e. Thin lipid layer, and thick peptidoglycan layer O
Chapter 11 Solutions
Microbiology: An Introduction (13th Edition)
Ch. 11 - The following outline can be used to identify...Ch. 11 - Compare and contrast each of the following: a....Ch. 11 - DRAW IT Draw a key to differentiate the following...Ch. 11 - Prob. 4RCh. 11 - If you Gram-stained the bacteria that live in the...Ch. 11 - Which of the following does not belong with the...Ch. 11 - Prob. 3MCQCh. 11 - Prob. 4MCQCh. 11 - Which of the following terms is the most specific?...Ch. 11 - Which one of the following does not belong with...
Ch. 11 - Which of the following pairs is mismatched? a....Ch. 11 - Prob. 8MCQCh. 11 - When Legionella was newly discovered, why was it...Ch. 11 - Prob. 10MCQCh. 11 - Prob. 1ACh. 11 - Prob. 2ACh. 11 - Bacteria are single-celled organisms that must...Ch. 11 - After contact with a patients spinal fluid, a lab...Ch. 11 - Between April 1 and May 15 of one year. 22...Ch. 11 - Prob. 3CAE
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- Which bacterium does not have the genetic machinery to convert nitrate to nitrite? O A. Paracoccus O B. Photorhabdus O C. Pseudomonas D. Bradyrhizobium E. all of the abovearrow_forwardAn arrangement in packets of eight cells is described as a .a. micrococcus c. tetradb. diplococcus d. sarcinaarrow_forwardMacConkey (MAC) Agar is used to isolate gram-negative enteric bacteria.Peptone provides nutrients necessary for growth.Bile salts and crystal violet inhibit the growth of gram positive bacteria.Lactose is a carbohydrate. When metabolized, colonies turn the medium pink.Which organism/s will grow in the medium? a. Escherichia coli b. Pseudomonas aeruginosa c. Staphylococcus aureus d. Escherichia coli & Pseudomonas aeruginosa e. Pseudomonas aeruginosa & Staphylococcus aureusarrow_forward
- Dexaclomycin is an antibiotic that inhibits peptidoglycan formation. Given this information, what type of bacteria would dexaclomycin be most effective against? O a. Both Gram-negative and Gram-positive O b. Gram-negative c. O c. Gram-positive O d. This antibiotic would not be effective against either Gram-positive or Gram-negative bacteriaarrow_forwardWhich of the following is not true or related to bacterial capsule formation A. Rigid and attached tightly to the cell wall B. Loose and weakly associated with bacterial cell wall. C. Capsule formation is associated with virulence of pathogenic bacteria D. Capsule provides resistance to survive through harsh conditionsarrow_forwardWhich of the following is not consistent with an endospore? a. It is not a means of asexual reproduction b. Considered as a virulence factor thereby increasing the bacteria's survival c. This structure makes the bacteria withstand harsh conditions in the environment d. It is presence increases bacterial susceptibility to disinfectants and radiationarrow_forward
- A bacterium has the following characteristics: I. It adheres to the human intestinal lining using a feature that protects it from phagocytes , bacteriophages, and dehydration. II. It can survive being boiled. III. It contains no plasmids and relatively little peptidoglycan. Which of the following characteristics allows this bacteria to survive in a human who is taking penicillin pills? A. gram-negative cell wall B. peptidoglycan in the cell wall C. lipopolysaccharides in the cytoplasm D. long polypeptides in the cell wallarrow_forwardA. iMAGE 1 1. What is a special characteristic of the microorganism shown? CHOICES: A.It shows colonies in clusters. ,B.It's movement is aided by its, C.monotrichous flagella., D.It's cells occur in pairs., E.It contains a waxy lipid on its walls., F.It has an endoflagella. ,GIt contains an endospore., H.It shows colonies in chains. I.It's movement is aided by its peritrichous flagella. J. It is eukaryotic. 2. What staining method is done? CHOICES: A. Ziehl-Neelsen Stain, B. Schaeffer C. Fulton Stain, D. Flagella Stain, E. Gram Stain, F. KOH MounT 3.How do you describe the shape of the microorganism ? CHOICES:A. Filamentous B. Cocci ,C. possible ,D. Spirochete, E. Bacilli ,F. Pleomorphic 4. How do you describe the shape of the microorganism? CHOICES:A. Staphylococcus aureus ,B. Vibrio cholerae, C. Leptospira interrogans, D. Escherichia coli ,E. Malassezia furfur ,F. Neisseria gonorrhoeae ,G. Streptococcus pyogenes , H. Bacillus anthracis, I. Mycobacterium tuberculosis 5. What could…arrow_forwardThe bacterium Bacillus anthracis was stained with gram staining, endospore staining, acid-stain staining and capsule staining. What result would you expect to see? a. none of these answers b. gram positive, endospore negative, acid-fast negative, capsule positive c. gram negative, endospore positive, acid-fast positive, capsule negative d. gram positive, endospore positive, acid-fast negative, capsule positive e. gram negative, endospore positive, acid-fast negative, capsule negative thank you!!arrow_forward
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