Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Textbook Question
Chapter 10, Problem 7MCQ
Use the following choices to answer questions 7 and 8.
- a. Animalia
- b.
Fungi - c. Plantae
- d. Firmicutes (gram-positive bacteria)
- e. Proteobacteria (gram-negative bacteria)
7. Into which group would you place a multicellular organism that has a mouth and lives inside the human liver?
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How 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.
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.
Select a statement that is not true about bacteria
A.
Some bacteria cause human disease
B.
Some bacteria are autotrophs
C.
Bacteria can be found within rocks kilometers below the Earth’s surface
D.
All organisms with cells containing a membrane-enclosed nucleus and organelles are eukaryotes, whereas all organisms with cells lacking a membrane-enclosed nucleus and organelles are bacteria
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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- If 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_forwardWhich 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.arrow_forwardDiscuss the importance of these microorganisms in our lives and in nature.arrow_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_forwardGIVE A CONCLUSION OBSERVING MICROORGANISMSarrow_forwardchoose the combination of answers that most accurately completes the statement.Mitochondria likely originated from a. archaea b. invaginations of the cell membrane c. rickettsias d. cyanobacteriaarrow_forward
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