Domanda del libro di testo
Which of the following substances would most effectively inhibit anaerobes?
a. Phenol
b. Silver
c. Ethanol
d. Hydrogen peroxide
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11. Controlling Microbial Growth
Review of Chemicals Used to Control Microbial Growth
Scelta multipla
Which of the following substances is a non-biodegradable household surface-active agent?
A
Alcohol.
B
Soaps.
C
Detergent.
D
Bleach.
Guida verificata passo dopo passo1
Understand the concept of biodegradability: Biodegradable substances can be broken down by microorganisms into simpler, non-toxic substances. Non-biodegradable substances cannot be easily decomposed by natural processes.
Identify the nature of each substance: Alcohol, soaps, and bleach are generally considered biodegradable because they can be broken down by microorganisms.
Recognize the characteristics of detergents: Detergents are synthetic compounds that are often non-biodegradable due to their complex chemical structure, which resists microbial decomposition.
Consider environmental impact: Non-biodegradable substances can accumulate in the environment, leading to pollution and harm to ecosystems.
Conclude that detergents are typically non-biodegradable household surface-active agents, unlike alcohol, soaps, and bleach.
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