5005 Praxis Practice Test Practice Question
Which of the following is the major immediate function of carbohydrate breakdown by cells?
Correct Answer: B
Rationale: Carbohydrate breakdown primarily serves to release energy, which cells utilize for various metabolic processes. This energy is essential for maintaining cellular functions and supporting activities like muscle contraction and active transport.
Option A, repairing tissues, is a function associated with proteins and not directly linked to carbohydrate metabolism.
Option C, forming enzymes, involves proteins synthesized from amino acids, not carbohydrates.
Option D, dissolving fats, pertains to lipid metabolism and does not relate to the primary role of carbohydrates. Thus, releasing energy is the fundamental purpose of carbohydrate breakdown in cells.
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