Textbook Question
Explain the mechanism of negative feedback with respect to enzyme action.
Ch. 5 - Microbial Metabolism
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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Table of contents
- Ch. 1 - A Brief History of Microbiology31
- Ch. 2 - The Chemistry of Microbiology28
- Ch. 3 - Cell Structure and Function39
- Ch. 4 - Microscopy, Staining, and Classification25
- Ch. 5 - Microbial Metabolism51
- Ch. 6 - Microbial Nutrition and Growth37
- Ch. 7 - Microbial Genetics51
- Ch. 8 - Recombinant DNA Technology21
- Ch. 9 - Controlling Microbial Growth in the Environment36
- Ch. 10 - Controlling Microbial Growth in the Body: Antimicrobial Drugs21
- Ch. 11 - Characterizing and Classifying Prokaryotes29
- Ch. 12 - Characterizing and Classifying Eukaryotes34
- Ch. 13 - Characterizing and Classifying Viruses, Viroids, and Prions23
- Ch. 14 - Infection, Infectious Diseases, and Epidemiology35
- Ch. 15 - Innate Immunity34
- Ch. 16 - Adaptive Immunity21
- Ch. 17 - Immunization and Immune Testing29
- Ch. 18 - Immune Disorders22
- Ch. 19 - Pathogenic Gram-Positive Bacteria25
- Ch. 20 - Pathogenic Gram-Negative Cocci and Bacilli28
- Ch. 21 - Rickettsias, Chlamydias, Spirochetes, and Vibrios25
- Ch. 22 - Pathogenic Fungi47
- Ch. 23 - Parasitic Protozoa, Helminths, and Arthropod Vectors44
- Ch. 24 - Pathogenic DNA Viruses23
- Ch. 25 - Pathogenic RNA Viruses30
- Ch. 26 - Applied and Industrial Microbiology29
- Ch. 27 - Microbial Ecology and Microbiomes22
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302Not the one you use?Change textbook
Chapter 5, Problem 6
Three common inorganic electron acceptors in anaerobic respiration are _______,_______, and _______.
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Understand that anaerobic respiration uses electron acceptors other than oxygen to generate energy in the absence of oxygen.
Recall that common inorganic electron acceptors in anaerobic respiration include molecules that can accept electrons during the electron transport chain process.
Identify the three most common inorganic electron acceptors: nitrate (NO3^-), sulfate (SO4^{2-}), and carbon dioxide (CO2).
Recognize that nitrate is reduced to nitrite or nitrogen gas, sulfate is reduced to hydrogen sulfide, and carbon dioxide is reduced to methane in different microbial processes.
Summarize the answer by listing the three inorganic electron acceptors as nitrate, sulfate, and carbon dioxide.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Anaerobic Respiration
Anaerobic respiration is a type of cellular respiration that occurs without oxygen, where organisms use inorganic molecules other than oxygen as terminal electron acceptors to generate energy.
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03:35
Anaerobic Respiration
Electron Acceptors in Anaerobic Respiration
In anaerobic respiration, inorganic molecules such as nitrate, sulfate, and carbon dioxide serve as electron acceptors, allowing microbes to transfer electrons and produce energy in oxygen-free environments.
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03:35Anaerobic Respiration
Role of Inorganic Electron Acceptors
Inorganic electron acceptors like nitrate (NO3-), sulfate (SO4 2-), and carbon dioxide (CO2) enable microbes to sustain energy production by accepting electrons during the electron transport chain in the absence of oxygen.
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07:41Electron Transport Chain
Related Practice
Textbook Question
For the phrase given below, indicate the type of metabolism referred to, using the following choices:
a. Anabolism only
b. Both anabolism and catabolism (amphibolic)
c. Catabolism only
Includes hydrolytic reactions
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Textbook Question
The final electron acceptor in aerobic respiration is ________.
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Textbook Question
For the phrase given below, indicate the type of metabolism referred to, using the following choices:
a. Anabolism only
b. Both anabolism and catabolism (amphibolic)
c. Catabolism only
Involves the production of cell membrane constituents
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Textbook Question
Photosynthetic bacteria that also fix nitrogen are:
a. Mycoplasmas
b. Spirilla
c. Bacteroids
d. Cyanobacteria
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Textbook Question
Facultative anaerobes can live under either aerobic or anaerobic conditions. What metabolic pathways allow these organisms to continue to harvest energy from sugar molecules in the absence of oxygen?
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