Multiple Choice
Catabolic processes include which of the following?
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7. Energy and Metabolism
Introduction to Metabolism
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Which of the following is true regarding catabolic processes?
A
They require energy to build complex molecules from simpler ones.
B
They release energy by breaking down complex molecules into simpler ones.
C
They are responsible for the synthesis of proteins from amino acids.
D
They occur only in the presence of oxygen.
Verified step by step guidance1
Understand the definition of catabolic processes: Catabolic processes are metabolic pathways that break down complex molecules into simpler ones, releasing energy in the process.
Identify the key characteristics of catabolic processes: They are typically exergonic, meaning they release energy, and involve the degradation of molecules such as carbohydrates, fats, and proteins.
Compare the given options with the characteristics of catabolic processes: Look for the option that describes the release of energy and the breakdown of complex molecules.
Eliminate options that describe anabolic processes: Anabolic processes require energy to build complex molecules from simpler ones, which is the opposite of catabolic processes.
Consider the environmental conditions: Catabolic processes can occur in both aerobic (presence of oxygen) and anaerobic (absence of oxygen) conditions, so eliminate any options that state they occur only in the presence of oxygen.
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