Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 16.19, Problem 1MQ
Summary Introduction
The genus Aquifex is an autotrophic hyperthermophile and strict chemolithotroph. It is the most thermophilic of all well-known bacterial groups. The Aquifex members use H2 and sulfur (S0) as electron donors and it utilizes nitrate or oxygen as electron acceptors. It grows at temperatures up to 95°C. Aquifex are microaerophilic and it is incapable to oxidize all the organic components.
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Chapter 16 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 16.1 - What are some ways in which Wolbachia species can...Ch. 16.1 - Prob. 2MQCh. 16.1 - Which genera of Alphaproteobacteria are known to...Ch. 16.2 - Prob. 1MQCh. 16.2 - Prob. 2MQCh. 16.2 - Prob. 1CRCh. 16.3 - Prob. 1MQCh. 16.3 - Prob. 2MQCh. 16.3 - What is the catalase test? What catalase reaction...Ch. 16.4 - What species of Pseudomonas is a common cause of...
Ch. 16.4 - What major characteristic could be used to...Ch. 16.4 - Prob. 1CRCh. 16.5 - What four metabolic traits are most common in...Ch. 16.5 - Why is Wolinella physiologically unusual among the...Ch. 16.5 - Prob. 1CRCh. 16.6 - Prob. 1MQCh. 16.6 - How can Streptococcus pyogenes be distinguished...Ch. 16.6 - What is the difference between homofermentative...Ch. 16.7 - Prob. 1MQCh. 16.7 - What characteristics differentiate Sarcina from...Ch. 16.7 - What characteristics of Listeria make it a...Ch. 16.8 - What is the major physiological distinction...Ch. 16.8 - What is the crystalline protein made by Bacillus...Ch. 16.8 - What is a good strategy for isolating...Ch. 16.9 - Prob. 1MQCh. 16.9 - Prob. 2MQCh. 16.9 - Prob. 1CRCh. 16.10 - What is snapping division and what organism...Ch. 16.10 - What organism is involved in the production of...Ch. 16.10 - Prob. 1CRCh. 16.11 - What is mycolic acid, and what properties does...Ch. 16.11 - Prob. 1CRCh. 16.12 - Prob. 1MQCh. 16.12 - Prob. 2MQCh. 16.12 - How are the spares of streptomycetes different...Ch. 16.13 - Prob. 1MQCh. 16.13 - What species of Bacteroidetes is most abundant in...Ch. 16.14 - Describe a method for isolating Cytophaga species...Ch. 16.14 - Prob. 2MQCh. 16.14 - Prob. 1CRCh. 16.15 - How are Chlamydia and Mycoplasma (Section 16.9)...Ch. 16.15 - Prob. 2MQCh. 16.15 - Prob. 1CRCh. 16.16 - Prob. 1MQCh. 16.16 - Prob. 2MQCh. 16.16 - What are two types of intracellular compartments...Ch. 16.17 - Prob. 1MQCh. 16.17 - Prob. 1CRCh. 16.18 - What is unique about the genome of Thermotoga and...Ch. 16.18 - Prob. 1CRCh. 16.19 - Prob. 1MQCh. 16.19 - Prob. 1CRCh. 16.20 - Describe a commercial application of Thermus...Ch. 16.20 - Describe an unusual biological feature of...Ch. 16.20 - What are some of the remarkable properties that...Ch. 16.21 - Prob. 1MQCh. 16.21 - Prob. 2MQCh. 16.21 - Prob. 3MQCh. 16.21 - Prob. 1CRCh. 16 - Enteric bacteria, lactic acid bacteria, and...Ch. 16 - Microorganisms can have a variety of different...
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- From the standpoint of energy metabolism, how do chemoorganotrophs differ from chemolitotrophs? What carbon sources do members of each group use? Are they heterotrophs or autotrophs?arrow_forwardWhich of the following statements is correct for bothblue-green algae and bacteria ?(a) Both show anaerobic respiration.(b) Both have chlorophyll pigment.(c) Both are devoid of true nucleus.(d) None of the above Please try to break the solutions into as many steps as practically possible and the steps should come one by one and they should be short and crisp and plagiarism-free.arrow_forwardOf what evolutionary significance is the fact that organisms inthe Aquifex lineage are both hyperthermophilic and H2chemolithotrophs?arrow_forward
- What is the role of oxygen in aerobic respiration? What type(s) of metabolism can occur in the absence of oxygen? Name two enzymes that are present in obligate aerobes but lacking in obligate anaerobes. What is the function of each enzyme Describe the difference between the appearance of surface and subsurface colonies in a pour plate. If this is the same bacterial species, why do these differences in colonial growth occur?arrow_forwardWhat roles do water and air play in the life of the invertebrate, entamoeba histolytica?arrow_forwardWhat can we conclude about the Pyrodictium/Pyrolobus groupin terms of life at high temperature?arrow_forward
- What characteristic of the methanogens makes it logical to discuss them with the Bacteria rather than with the Archaea described in this section?arrow_forwardWhy do chemotrophs have to use oxygen? The definition of chemotrophs is = organisms that gain chemical energy by oxidizing bonds. Do the organisms have to oxidize bonds using oxygen?arrow_forwardAll of the following pertain to archaeobacteria EXCEPT:(a) They include microbes that live in hot acidic environ-ments.(b) All are strict anaerobes.(c) They include microbes that live in extremely saltyenvironments.(d) All lack peptidoglycan in their cell walls.(e) They include microbes that reduce carbon to methanegas.arrow_forward
- Mathanoges have been found in the human gut and deep sea sediments, but not on human skin or in the surface waters of the ocean. What psysiological trait of methanogenes could explain this distribution?arrow_forwardWhat metabolic process creates the rotten-egg smell characteristic of many anaerobic environments?arrow_forwardWhat is the effect of salinity on the rates of photosynthesis versus respiration in Euglena gracilis as shown in Figure 2? What does the difference in the initial slopes of the curves in the left panel tell us?arrow_forward
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