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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A. 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…
Which of the following are features of Flagella?
A.
Found on the cell surface
B.
Necessary for movement
C.
Found only on bacteria
D.
A & B
E.
C & D
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 typhi
Chapter 4 Solutions
Microbiology: An Introduction (13th Edition)
Ch. 4 - DRAW IT Diagram each of the following flagellar...Ch. 4 - Endospore formation is called (a) _____. It is...Ch. 4 - DRAW IT Draw the bacterial shapes listed in (a),...Ch. 4 - Match the structures in column A to their...Ch. 4 - Why is an endospore called a resting structure? Of...Ch. 4 - Compare and contrast the following a. simple...Ch. 4 - Prob. 7RCh. 4 - Starch is readily metabolized by many cells, but a...Ch. 4 - Match the characteristics of eukaryotic cells in...Ch. 4 - NAME IT What group of microbes is characterized by...
Ch. 4 - Which of the following is not a distinguishing...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which of the following statements best describes...Ch. 4 - Which of the following is false about fimbriae? a....Ch. 4 - Which of the following pairs is mismatched? a....Ch. 4 - Which of the following pairs is mismatched? a....Ch. 4 - You have isolated a motile, gram-positive cell...Ch. 4 - The antibiotic amphothericin B disrupts plasma...Ch. 4 - How can prokaryotic cells be smaller than...Ch. 4 - The smallest eukaryotic cell is the motile alga...Ch. 4 - Two types of prokaryotic cells have been...Ch. 4 - In 1985, a 0.5-mm cell was discovered in...Ch. 4 - When E. coli cells are exposed to a hypertonic...Ch. 4 - Clostridium botulinum is a strict anaerobe; that...Ch. 4 - A South San Francisco child enjoyed bath time at...Ch. 4 - Live cultures of Bacillus thuringiensis (Dipel)...
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- Bacterial flagella (a) are homologous with eukaryotic flagella (b) exhibit a rotary motion (c) consist of a basal body and nine pairs of microtubules (d) are important in transduction (e) are characteristic of gram-positive bacteriaarrow_forward3. A division in Eukaryotes that involves nuclear division without a cytokinesis will lead to the formation of: a) Baeocyte b) Mycellia c) Syncitium d) Myofibril e) all the above 4) All the following are critical factors in determining the effectiveness of an antimicrobial agent except: a) Population size b) Species c) Location d) pH e) Temperaturearrow_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 characteristics allows this bacterium to adhere to the intestinal lining? Group of answer choices A. fimbriae B. pili C. an endospore D. a flagellumarrow_forward
- Which 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_forwardYou are sneaky and would like to avoid the deadly grip of phagocytes. Your sweet tooth should help you. a. What is the structure being described? b. What is the chemical composition of this structure? c. What is the function of the structure, and how does it benefit the bacteria?arrow_forwardLet’s say you wanted to look at cells of Bacillus cereus, which are rod-shaped cells that are about 4 µm long. If you were observing B. cereus with a microscope using the high-power lens, how big would the cells appear to be when you look at them?arrow_forward
- A researcher discovers a new species of bacteria in the Sahara Desert. The researcher is concerned the bacteria may be pathogenic (i.e., cause disease). What structural characteristic of the bacteria would help the researcher determine if the bacteria are pathogenic? Group of answer choices Presence of a cell wall Presence of a capsule Presence of a pilus Presence of a flagellaarrow_forwardSome bacteria secrete chemicals that prevent the phagocytic digestion of a bacterium by interfering with the fusion of _____ to the phagosome. View Available Hint(s) for Part F the bacterium a lysosome pseudopods a lipopolysaccharide layer (LPS)arrow_forwardA type of cell wall that is often toxic. Question options: a) gram-positive b) gram-negative c) acid-fast d) mycoplasmaarrow_forward
- 1. What is the purpose of a cell wall in bacteria? A. Structure B. Protection C. Peptidoglycan production D. a&b 2. Which of the following are features of Flagella? A. Found on the cell surface B. Necessary for movement C. Found only on bacteria D. A & B E. C & D 3. Choose an answer that best describes tthe difference between a plant vs. animal cell A. Only animals have cell walls B. Lysosomes are only found in plant cells C. Plant cells have chloroplasts and mitochondria, animal cells have only mitochondria, and both organelles generate energy in the form of ATP via electron transport. D. Peroxisomes are only found in animal cells 4. Which of the folllowing organelles/complexes makes proteins? A. The Nucleus B. Cytoplasm C. Peroxisomes D. Ribosome E. Golgi Apparatusarrow_forwardWhat do we call cells that do not contain an endospore? a)lysogenic cells b)mother cells c)vegetative cells d)endospore cells e)vegetable cellsarrow_forwardA 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_forward
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