Domanda del libro di testo
The total number of cases of a disease in a given area is its __________.
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Ch. 14 - Infection, Infectious Diseases, and Epidemiology
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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Bauman 6th EditionCh. 14 - Infection, Infectious Diseases, and EpidemiologyProblema 9
Bauman 6th EditionCh. 14 - Infection, Infectious Diseases, and EpidemiologyProblema 9Capitolo 14, Problema 9
Bacteria that convert nitrogen gas into ammonia are:
a. Nitrifying bacteria
b. Nitrogenous
c. Nitrogen fixers
d. Nitrification bacteria
Guida verificata passo dopo passo1
Understand the process described: converting nitrogen gas (N\_2) into ammonia (NH\_3) is a key step in the nitrogen cycle called nitrogen fixation.
Recall that nitrogen fixation is performed by specific bacteria that possess the enzyme nitrogenase, which allows them to break the strong triple bond in N\_2 and convert it into ammonia.
Identify the term used for bacteria that perform nitrogen fixation. These bacteria are commonly known as 'nitrogen fixers'.
Review the answer choices and match the correct term: 'nitrifying bacteria' are involved in converting ammonia to nitrites and nitrates, not nitrogen gas to ammonia; 'nitrogenous' is not a standard term for bacteria; 'nitrification bacteria' is another term for nitrifying bacteria.
Conclude that the bacteria converting nitrogen gas into ammonia are called 'nitrogen fixers', which corresponds to option c.
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Nitrogen Fixation
Nitrogen fixation is the biological process where certain bacteria convert atmospheric nitrogen gas (N2) into ammonia (NH3), making nitrogen available for plant use. This process is essential for incorporating inert nitrogen into the ecosystem.
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07:21
5 Nitrogenous Bases
Nitrogen-Fixing Bacteria
Nitrogen-fixing bacteria, such as Rhizobium and Azotobacter, possess the enzyme nitrogenase that enables them to reduce nitrogen gas to ammonia. These bacteria can live freely in soil or symbiotically within plant roots.
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07:215 Nitrogenous Bases
Nitrification
Nitrification is a separate microbial process where ammonia is oxidized to nitrites and then nitrates by nitrifying bacteria. This process does not convert nitrogen gas to ammonia but rather transforms ammonia into forms usable by plants.
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a. Subacute disease
b. Acute disease
c. Chronic disease
d. Latent disease
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An animal that carries a pathogen and also serves as host for the pathogen is a ___________ vector.
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When pathogenic bacterial cells lose the ability to make adhesins, they typically .
a. Become avirulent
b. Produce endotoxin
c. Absorb endotoxin
d. Increase in virulence
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