Question 2

Releasing energy

The major immediate function of carbohydrate breakdown by cells is to release energy. This process provides the necessary fuel for various cellular activities and metabolic functions.

A) Repairing tissues

Repairing tissues is not a primary function of carbohydrate breakdown. While energy derived from carbohydrates can support tissue repair indirectly by fueling the processes involved, the immediate function of carbohydrate metabolism is energy release, not tissue repair.

B) Releasing energy

Releasing energy is the correct answer as the breakdown of carbohydrates, primarily through glycolysis and subsequent metabolic pathways, directly produces ATP, the energy currency of the cell. This energy is crucial for maintaining cellular functions and supporting overall metabolism.

C) Forming enzymes

Forming enzymes is incorrect in this context as the breakdown of carbohydrates does not directly lead to enzyme production. Enzymes are proteins synthesized from amino acids, and while carbohydrates can provide energy for protein synthesis, they do not play a direct role in enzyme formation.

D) Dissolving fats

Dissolving fats is not a function of carbohydrate breakdown. Carbohydrates and fats are metabolized through different pathways, and while they can influence each other's metabolism, the breakdown of carbohydrates does not serve the purpose of dissolving fats.

Conclusion

The correct answer is B) Releasing energy, as it accurately reflects the primary immediate outcome of carbohydrate metabolism within cells. Other options either misrepresent the function of carbohydrates or relate to processes that are not directly linked to carbohydrate breakdown. Understanding this concept is essential for grasping the fundamental role of carbohydrates in cellular energy production.