16 Questions
What are the primary determinants of metabolic pathways?
Enzymes
What is the relationship between genes and enzymes?
Genes encode enzymes
What factor does not influence the metabolic pathway of an organism?
Cell wall structure
What is the result of genetic variation in a population of microorganisms?
Increased metabolic diversity
What is the primary control point for regulating metabolic pathways?
Gene expression
What is necessary for bacterial growth?
Moisture
Which type of organism uses light energy to fix CO2?
Photoautotrophs
What is the energy source for chemoautotrophs?
Chemicals
Which type of bacteria uses inorganic compounds as their electron donor?
Sulfur-oxidizing bacteria
What is the byproduct of the Calvin-Benson cycle in photoautotrophs?
ATP
Which type of organism is characterized by its ability to produce its own food?
Autotrophs
What is the primary function of catabolism in microbial metabolism?
To break down chemical bonds to release energy
What is the role of anabolism in microbial metabolism?
To synthesize new organic compounds
What is the energy source used by Thiobacillus ferroxidans?
Inorganic chemicals
What is the process by which CO2 is fixed in microbes?
Calvin-Benson cycle
What is the definition of metabolism in microbial cells?
The sum of all chemical reactions
Test your understanding of the different modes of nutrition in organisms, including autotrophs, photoautotrophs, and chemotrophs. Learn about the energy sources and carbon sources used by various types of organisms, from plants and algae to bacteria and prokaryotes.
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