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Multiple Choice
Which of the following compounds would a chemoorganotroph use as a primary energy source?
A
Sulfur
B
Carbon dioxide
C
Ammonia
D
Glucose
Verified step by step guidance
1
Understand the term 'chemoorganotroph': Chemoorganotrophs are organisms that obtain energy by oxidizing organic compounds. They rely on organic molecules as their primary energy source.
Identify the nature of each compound listed: Sulfur, carbon dioxide, and ammonia are inorganic compounds, while glucose is an organic compound.
Recognize the role of glucose: Glucose is a simple sugar and an organic molecule that serves as a primary energy source for many organisms, including chemoorganotrophs.
Consider the metabolic pathways: Chemoorganotrophs typically use pathways like glycolysis and the citric acid cycle to metabolize glucose and generate ATP, the energy currency of the cell.
Conclude the selection: Based on the definition and metabolic requirements of chemoorganotrophs, glucose is the compound they would use as a primary energy source.