Multiple Choice
In the context of organic chemistry and nutrition, how many kilocalories are provided by 10 grams of carbohydrate?
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Which of the following statements concerning catabolic pathways is true?
A
Catabolic pathways are primarily responsible for the storage of energy in cells.
B
Catabolic pathways are involved in the synthesis of complex molecules from simpler ones.
C
Catabolic pathways release energy by breaking down complex molecules into simpler ones.
D
Catabolic pathways require energy input to proceed.
Verified step by step guidance1
Begin by understanding the definition of catabolic pathways. Catabolic pathways are metabolic processes that break down complex molecules into simpler ones, releasing energy in the process.
Consider the role of catabolic pathways in cellular metabolism. They are primarily responsible for breaking down nutrients and molecules to release energy, which is then used by the cell for various functions.
Evaluate each statement given in the problem based on the definition and role of catabolic pathways. Determine which statement accurately describes the function of catabolic pathways.
Analyze the statement: 'Catabolic pathways release energy by breaking down complex molecules into simpler ones.' This aligns with the definition and role of catabolic pathways, as they are known for releasing energy during the breakdown of molecules.
Conclude that the correct statement is the one that describes catabolic pathways as processes that release energy by breaking down complex molecules into simpler ones, which is a fundamental aspect of their function in cellular metabolism.
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