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Ch. 26 - Applied and Industrial Microbiology
Bauman - Microbiology with Diseases by Taxonomy 6th Edition
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302Non è quello che usi tu?Cambia libro di testo
Capitolo 26, Problema 10

_________ is the amount of oxygen required by aerobic organisms to fully metabolize organic waste in water.

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Identify the key concept in the question, which is related to the oxygen demand by aerobic organisms to break down organic waste in water.
Recall that the term describing the amount of oxygen required by aerobic organisms to fully metabolize organic waste is commonly used in water quality and environmental microbiology.
Understand that this oxygen demand is a measure of the amount of biodegradable organic material present in the water, which microbes use as a food source.
Recognize that the specific term for this oxygen requirement is called the Biochemical Oxygen Demand, often abbreviated as BOD.
Summarize that BOD quantifies the oxygen needed over a certain period (usually 5 days at 20°C) for aerobic bacteria to decompose organic matter in water.

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Biochemical Oxygen Demand (BOD)

BOD measures the amount of dissolved oxygen needed by aerobic microorganisms to break down organic material in water over a specific period, typically five days. It indicates the degree of organic pollution and helps assess water quality.
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Reactive Oxygen Species

Aerobic Metabolism

Aerobic metabolism refers to the process by which organisms use oxygen to convert organic compounds into energy, carbon dioxide, and water. This process is essential for decomposing organic waste in aquatic environments.
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Introduction to Metabolism

Organic Waste in Water

Organic waste in water includes biodegradable materials like plant debris, sewage, and food residues. Its presence increases microbial activity, which consumes oxygen during decomposition, affecting aquatic life and water quality.
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Introduction to Water