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For the phrase given below, indicate the type of metabolism referred to, using the following choices:
a. Anabolism only
b. Both anabolism and catabolism (amphibolic)
c. Catabolism only
Includes metabolism
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12. Microbial Metabolism
Introduction to Metabolism
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Which of the following statements about bacterial metabolism is correct?
A
All bacteria use the same metabolic enzymes at all times.
B
Bacteria produce the same protein products regardless of their environment.
C
Bacterial protein production is regulated in response to environmental conditions.
D
Bacteria cannot alter their metabolic pathways.
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Step 1: Understand the concept of bacterial metabolism, which involves the chemical processes that occur within bacteria to maintain life, including energy production and synthesis of cellular components.
Step 2: Recognize that bacteria live in diverse and often changing environments, so they need to adapt their metabolic activities to survive and grow under different conditions.
Step 3: Learn that bacteria regulate their protein production and enzyme activity based on environmental signals, allowing them to turn on or off specific metabolic pathways as needed.
Step 4: Evaluate each statement: the idea that all bacteria use the same enzymes at all times is incorrect because enzyme expression is regulated; similarly, bacteria do not produce the same proteins regardless of environment, and they can alter metabolic pathways.
Step 5: Conclude that the correct statement is that bacterial protein production is regulated in response to environmental conditions, reflecting their ability to adapt metabolically.
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