Domanda del libro di testo
In a defined medium:
a. The exact chemical composition of the medium is known
b. Agar is available for microbial nutrition
c. Blood may be included
d. Organic chemicals are excluded
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Ch. 6 - Microbial Nutrition and Growth
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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TOC.tableOfContents
- 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
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Capitolo 6, Problema 9
Which of the following terms best describes an organism that cannot exist in the presence of oxygen?
a. Obligate aerobe
b. Facultative aerobe
c. Obligate anaerobe
d. Facultative anaerobe
Guida verificata passo dopo passo1
Understand the definitions of the terms related to oxygen requirements in microorganisms:
An obligate aerobe requires oxygen to survive and grow.
A facultative aerobe (more commonly called facultative anaerobe) can grow with or without oxygen but prefers oxygen.
An obligate anaerobe cannot survive in the presence of oxygen; oxygen is toxic to it.
A facultative anaerobe can grow with or without oxygen, switching metabolic pathways depending on oxygen availability.
Based on these definitions, identify the term that describes an organism that cannot exist in the presence of oxygen.
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Obligate Anaerobe
An obligate anaerobe is an organism that cannot survive in the presence of oxygen because oxygen is toxic to its cellular processes. These organisms rely on anaerobic respiration or fermentation to generate energy.
Video consigliato:
03:35
Anaerobic Respiration
Obligate Aerobe
An obligate aerobe requires oxygen for survival and energy production. It uses aerobic respiration, where oxygen acts as the final electron acceptor in the electron transport chain.
Video consigliato:
03:38Introduction to Aerobic Cellular Respiration
Facultative Anaerobe
A facultative anaerobe can grow with or without oxygen. It prefers aerobic respiration when oxygen is available but can switch to anaerobic respiration or fermentation in its absence.
Video consigliato:
03:35Anaerobic Respiration
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