Multiple Choice
What is a major reservoir for ammonia in the nitrogen cycle?
1. Intro to General Chemistry
Chemical Properties
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Which of the following elements is not considered an essential nutrient for a microbe?
A
Helium
B
Carbon
C
Nitrogen
D
Phosphorus
Verified step by step guidance1
Understand the concept of essential nutrients for microbes. Essential nutrients are elements or compounds that are necessary for the growth and survival of microorganisms.
Identify the common essential nutrients for microbes. Typically, these include elements like Carbon, Nitrogen, and Phosphorus, which are vital for cellular processes such as energy production, synthesis of biomolecules, and structural functions.
Consider the role of each element listed in the problem. Carbon is a fundamental building block of organic molecules, Nitrogen is crucial for amino acids and nucleic acids, and Phosphorus is important for ATP and nucleic acids.
Evaluate the properties of Helium. Helium is a noble gas, chemically inert, and does not participate in biological processes. It is not involved in any known biochemical pathways in microbes.
Conclude that Helium, due to its inert nature and lack of involvement in biological processes, is not considered an essential nutrient for microbes.
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