Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 11, Problem 4MC
Summary Introduction
Introduction:
Endospores are the rigid structures that are formed in the bacteria when the bacteria face a state of unfavorable conditions. These structures help the bacteria survive through the nutrient deficient state. It makes the bacteria to rest in a dormant state.
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Endospores :
A. are a dormant form of a bacterium AND are formed by members of medically relevant groups of bacteria.
B. are a form of reproduction AND are formed by members of medically relevant groups of bacteria.
C. are a dormant form of a bacterium AND are involved in anaerobic respiration.
D. are formed by members of medically relevant groups of bacteria AND are involved in anaerobic respiration.
Which 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 radiation
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
Chapter 11 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 11 - Prob. 1TMWCh. 11 - Why are taxonomic names and categories in our...Ch. 11 - Prob. 3TMWCh. 11 - Prob. 4TMWCh. 11 - Prob. 1MTFCh. 11 - Prob. 2MTFCh. 11 - Prob. 3MTFCh. 11 - Prob. 4MTFCh. 11 - Prob. 5MTFCh. 11 - Prob. 6MTF
Ch. 11 - Prob. 7MTFCh. 11 - Prob. 8MTFCh. 11 - Prob. 9MTFCh. 11 - Prob. 10MTFCh. 11 - Prob. 1MCCh. 11 - Prob. 2MCCh. 11 - Prob. 3MCCh. 11 - Prob. 4MCCh. 11 - How is Halobacterium salinarum distinctive? a. It...Ch. 11 - Prob. 6MCCh. 11 - Prob. 7MCCh. 11 - Prob. 8MCCh. 11 - Prob. 9MCCh. 11 - Prob. 10MCCh. 11 - Whereas the first edition of Bergeys Manual relied...Ch. 11 - What are extremophiles? Describe two kinds, and...Ch. 11 - Prob. 3SACh. 11 - Prob. 4SACh. 11 - Prob. 5SACh. 11 - Prob. 6SACh. 11 - How is Agrobacterium used in recombinant DNA...Ch. 11 - Name and describe five distinct classes of phylum...Ch. 11 - Label the shapes of these prokaryotic cells.Ch. 11 - Prob. 2VICh. 11 - Prob. 1CTCh. 11 - Prob. 2CTCh. 11 - Why is it that Gram-positive species dont have...Ch. 11 - Prob. 4CTCh. 11 - Prob. 5CTCh. 11 - Prob. 6CTCh. 11 - Prob. 7CTCh. 11 - Prob. 8CTCh. 11 - Prob. 9CTCh. 11 - Prob. 10CTCh. 11 - Prob. 11CT
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- You are looking at a white cottony growth on a culture medium. Microscopic examination reveals it is multicellular. You can conclude all of the following about this microorganism except that it: a. has cell walls b. has DNA enclosed in a nucleus c. is a bacterium d. absorbs organic nutrientsarrow_forwardBiofilm formation begins when microbes attach to a surface using their. A. Cell Wall B. Glycocalyx C. Flagella D. Ciliaarrow_forwardWhich of the following is NOT true about bacterial endospores? A. They are produced by bacteria of the genus Bacillus and Clostridium B. They are “resting cells” for survival during adverse environmental conditions C. Resistant to desiccation (drying), heat, and chemicals D. Formed by walling off one end of the bacterial cell and surrounding it with a thick spore coat E. They represent a type of reproduction because their formation results in an increase in the number of bacterial cellsarrow_forward
- Endospores are..... is the answer a, b, c, d, or e? a - metabolically inactive. b - resistant to heat and chemical destruction. c - formed by certain gram + bacteria through sporulation. d - able to germinate when conditions are good. e - All of the choices are correct.arrow_forwardMatch the microorganism to the best description of its cell wall component. A. Lacks cell wall , B.Made of cellulose photosynthetic , C.Composed of peptidoglycar , D.Protein coat with additional membranes. , E.Composed of chitin Algae Virus Fungi Protozoa Bacteriaarrow_forwardA 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 statements best describe the cell wall of this bacterium? Group of answer choices A. Its innermost layer is composed of a phospholipid bilayer. B. After it has been subjected to Gram staining, the cell should remain purple. C. It has an outer membrane of lipopolysaccharide. D. It is mostly composed of a complex, cross-linked polysaccharide.arrow_forward
- Which of the following microorganisms contain large amounts of peptidoglycan? a. Some viruses O b. Gram positive bacteria O c. All kinds of fungi O d. Gram negative bacteriaarrow_forwardwas 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 wallarrow_forwardUV light is able to damage bacterial cells by:a. preventing mitosis b. damaging DNA c. dissolving cell membranes d. coagulating cytoplasmarrow_forward
- A bacterial exotoxin is a________ . a. membrane lipid c. secreted protein b. membrane protein d. cell wall componentarrow_forwardComplete the table: Bacterium Shape of cell Arrangement of cells Other important cell feature Distribution Importance A. Escherichia coli B. Staphylococcus aureus C. Streptococcus pyogenes D. Clostridium botulinum E. Salmonella typhiarrow_forwardBacterial endospores function ina. reproduction c. protein synthesisb. survival d. storagearrow_forward
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