Multiple Choice
Which of the following types of microorganisms uses CO2 as a carbon source and H2 as an energy source?
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1. Introduction to Microbiology
Introduction to Microbiology
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In which type of environment do most microorganisms grow best?
A
Highly acidic environments (pH < 2)
B
Warm, moist, and nutrient-rich environments
C
Environments with no available water
D
Extremely dry and cold environments
Verified step by step guidance1
Understand that microorganisms require certain conditions to grow optimally, including temperature, moisture, pH, and nutrient availability.
Recognize that highly acidic environments (pH < 2) are too harsh for most microorganisms, except for specialized acidophiles.
Note that environments with no available water or extremely dry and cold environments limit microbial growth because water is essential for metabolic processes.
Identify that warm, moist, and nutrient-rich environments provide the ideal conditions for most microorganisms to thrive, as they support enzymatic activity and cellular functions.
Conclude that among the given options, warm, moist, and nutrient-rich environments are the best for the growth of most microorganisms.
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