Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 6MCQ
The wall-less mycoplasmas are considered to be related to gram-positive bacteria. Which of the following would provide the most compelling evidence for this?
- a. They share common rRNA sequences.
- b. Some gram-positive bacteria and some mycoplasmas produce catalase.
- c. Both groups are prokaryotic.
- d. Some gram-positive bacteria and some mycoplasmas have coccus-shaped cells.
- e. Both groups contain human pathogens.
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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 genes
Which of the following statements is correct? Please select all that apply.
Select one or more:
a.
Parasitism between bacteria and archaea caused complex interactions that eventually gave rise to eukarya.
b.
While bacteria are prokaryotes, archaea are neither prokaryotic, nor eukaryotic but classified as a 3rd cell type.
c.
Prokaryotes are classified further based on whether they are unicellular or multicellular organisms.
d.
The molecular biologies of archaea and eukarya show a greater proportion of similarities than those of eukarya and bacteria.
e.
Prokaryotes could not make photosynthesis until chloroplast endosymbiosis evolution.
f.
The last universal common ancestor most likely had a primitive prokaryotic cell organization.
g.
Endosymbiosis of chloroplast precedes that of mitochondria.
Which of the following observations about a bacterium would distinguish it from the last eukaryotic common ancestor? a. A double-stranded DNA genome b. Lack of a membrane-bound structure surrounding the genome c. Fatty acids in the lipid bilayer of the plasma membrane d. Enclosed by a cell wall
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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