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Questions and Answers
What is the main source of energy for Chemoorganotrophs?
What is the main source of energy for Chemoorganotrophs?
- Utilization of water
- Oxidation of inorganic substances
- Utilization of sunlight
- Oxidation of organic substances (correct)
What percentage of the dry weight of a bacterial cell is composed of nitrogen?
What percentage of the dry weight of a bacterial cell is composed of nitrogen?
- 14% (correct)
- 5%
- 20%
- 25%
What role does iron play in bacterial cells?
What role does iron play in bacterial cells?
- Contributes to cellular wall structure
- Part of cytochrome and enzyme activities (correct)
- Stabilizes ribosomes
- Part of cell membranes
Which inorganic ion stabilizes ribosomes, cell membranes, and nucleic acids in bacteria?
Which inorganic ion stabilizes ribosomes, cell membranes, and nucleic acids in bacteria?
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What do Trace Elements function as in bacteria?
What do Trace Elements function as in bacteria?
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Which growth factor is essential for bacterial growth?
Which growth factor is essential for bacterial growth?
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What is the main physical requirement for bacteria to acquire nutrients?
What is the main physical requirement for bacteria to acquire nutrients?
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