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Biology: Types of Nutrition and Energy Sources

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Biology: Types of Nutrition and Energy Sources

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Questions and Answers

What are the primary determinants of metabolic pathways?

Genes

Cell wall structure

Environmental factors

Enzymes (correct)

What is the relationship between genes and enzymes?

Enzymes encode genes

Genes encode enzymes (correct)

Genes are encoded by enzymes

Genes inhibit enzyme activity

What factor does not influence the metabolic pathway of an organism?

Gene expression

Temperature

Cell wall structure (correct)

What is the result of genetic variation in a population of microorganisms?

Increased metabolic diversity Signup and view all the answers

What is the primary control point for regulating metabolic pathways?

Gene expression Signup and view all the answers

What is necessary for bacterial growth?

Moisture Signup and view all the answers

Which type of organism uses light energy to fix CO2?

Photoautotrophs Signup and view all the answers

What is the energy source for chemoautotrophs?

Chemicals Signup and view all the answers

Which type of bacteria uses inorganic compounds as their electron donor?

Sulfur-oxidizing bacteria Signup and view all the answers

What is the byproduct of the Calvin-Benson cycle in photoautotrophs?

ATP Signup and view all the answers

Which type of organism is characterized by its ability to produce its own food?

Autotrophs Signup and view all the answers

What is the primary function of catabolism in microbial metabolism?

To break down chemical bonds to release energy Signup and view all the answers

What is the role of anabolism in microbial metabolism?

To synthesize new organic compounds Signup and view all the answers

What is the energy source used by Thiobacillus ferroxidans?

Inorganic chemicals Signup and view all the answers

What is the process by which CO2 is fixed in microbes?

Calvin-Benson cycle Signup and view all the answers

What is the definition of metabolism in microbial cells?

The sum of all chemical reactions Signup and view all the answers