Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Chapter 10, Problem 8MCQ
Summary Introduction
Introduction:
Proteobacteria is a microorganisms that cell wall is composed of lipopolysaccharides and a thin peptidoglycan layer. It is a Gram negative bacteria and its phototropic, chemoautotrophic, chemoorganotrophic in nature. It is a known bacterial species in agricultural, medical and industrial purposes.
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Compare and contrast the structure and function of the following among bacteria and eukaryotes:
a. ribosome
b. flagellum
c. glycocalyx
Match the following questions about Eukaryotic microorganisms to the "BEST" pos
A. Lack mitochondria and flagella but form spores and possess mitosomes
B. Intercellular organisms with rare clamp connections
C. Spore forming which often make unseptate hyphae
D. Lack mitochondria and flagella but form cysts and possess mitosomes
E. Spore forming which often make unseptate mycelium
F. Spore forming which often make septate hyphae and reproduce asexually
G. Spore forming and possess mitochondria as well as flagella
H. Cyst forming and possess mitochondria as well as flagella
1. Intercellular and intracellular organisms with common clamp connections
J. Spore forming which often make septate hyphae and reproduce sexually
select
1. Microsporidia
select
2. Chytridiomycota
select ▾ 3. Zygomycota or Mucorales
select
4. Glomeromycota
select
5. Ascomycota
select
6. Basidiomycota
select
7. Pucciniales or Uredinales.
select
8. Ustilaginomycetes
select
9. Giardia intestinalis
select
10.…
In the domain system of classification, prokaryotes are divided into two domains: Bacteria and Archaea. The two domains differ in all BUT one feature. Which feature do they have in common?
A.
They both thrive in extreme environments.
B.
They both have prokaryotic cells.
C.
They both are able to live only under anaerobic conditions.
D.
They both have identical cell walls.
Chapter 10 Solutions
Microbiology: An Introduction
Ch. 10 - Which of the following organisms are most closely...Ch. 10 - Here is some additional information on the...Ch. 10 - DRAW IT Use the additional information below to...Ch. 10 - DRAW IT Use the information in the table below to...Ch. 10 - NAME IT Use the key in the Applications of...Ch. 10 - Sergeys Manual of Systematic Bactenoiogy differs...Ch. 10 - Bacillus and Lactobacillus are not in the same...Ch. 10 - Prob. 3MCQCh. 10 - Which of the following is false about scientific...Ch. 10 - You could identify an unknown bacterium by all of...
Ch. 10 - The wall-less mycoplasmas are considered to be...Ch. 10 - Use the following choices to answer questions 7...Ch. 10 - Prob. 8MCQCh. 10 - Prob. 9MCQCh. 10 - Use the following choices to answer questions 9...Ch. 10 - The GC content of Micrococcus is 66-75 moles %,...Ch. 10 - Describe the use of a DNA probe and PCR for: a....Ch. 10 - SF medium is a selective medium, developed in the...Ch. 10 - Prob. 1CAECh. 10 - Prob. 2CAECh. 10 - Prob. 3CAE
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- To which of the following is the photosynthetic bacterium Chromatium most closely related? Briefly explain why? a. Cyanobacteria b. Chloroflexus c. Escherichiaarrow_forwardAnswer the following question briefly but concisely ( picture below)arrow_forwardWhat distinguishes archaea from bacteria? Select all that apply. A. Presence of a nucleoid B. Membrane enclosed organelles C. Cell wall composition D. Lack of an external capsulearrow_forward
- All of the following are characteristics of the bacterial flagellum except: Select one: a. It has a hook-like insertion to a basal body in the cell wall. b. It is composed of protein c. It is used in conjugation d. Counterclockwise rotation moves bacteria forward All the following are characteristics of prokaryotes except: Select one: a. Prokaryotes have cell wall b. Prokaryotes have ribosomes c . Prokaryotes have organelles d. Prokaryotes lack a nucleus e. Prokaryotes have genesarrow_forwardWhich type of prokaryote is shown in this image? A. Photoheterotroph B. Chemoheterotroph C. Photoautotroph D. Chemoautotropharrow_forwardSelect the choice that identifies the organism described in the following statement: The organism is heterotrophic, single celled, and a eukaryote. Question 22 options: a) An amoeba b) Archaea c) Hydra d) Bacteriaarrow_forward
- A filamentous organism has been isolated from decomposing organic matter. This organism has a cell wall but no chloroplasts. How would you classify this organism?arrow_forwardHow do Gram-negative bacteria differ from Gram-positivebacteria?a. They are not pathogenic.b. Their peptidoglycan cell wall is thinner.c. Gram-negative bacteria cannot be Gram stained.d. They possess a single plasma membrane.e. Gram-negative bacteria do not photosynthesize.arrow_forwardWhich 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.arrow_forward
- Choose one prokaryote (bacteria or archaea) AND one protest. You can choose a species or more general taxonomic group of interest. Then address the following questions for each. 1. What does the organism look like? Describe or include an image. 2. How does it obtain energy? 3. How does it reproduce? 4. What are its close relatives in the tree of life? 5. Why is it important from a human perspective?arrow_forwardIf you visit a lake in the middle of the Amazon and take water samples to analyze under a microscope from a nearby university that has good instrumentation and there you detect microorganisms that are not visible to the naked eye. What studies would you do to determine if they are bacteria, archaea, fungi or protozoa? Explain each type of analysis and how would you rule out members of each group? Write at least 3 paragraphsarrow_forwardWe will perform a gram stain on our samples, so be sure to bring your instructions on gram staining. Will this procedure stain all cells? A. Yes, all prokaryotic and eukaryotic cells will be stained purple or pink. B. All prokaryotic cells will be stained. Eukaryotic cells will not be stained. C.Mycobacteria and a few other groups with special cell wall structures will not be stained. All other prokaryotic cells will be stained. Eukaryotic cells will be stained pink. D. Mycobacteria and a few other groups with special cell wall structures will not be stained. All other prokaryotic cells will be stained. Eukaryotic cells will be stained purple.arrow_forward
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