The Most Important Metabolic Fuel Molecule in the Body Is

Question

The most important metabolic fuel molecule in the body is
A) sucrose.
B) caffeine.
C) protein.
D) vitamins.
E) glucose.

Accepted Answer

Glucose is the most important metabolic fuel molecule in the body, as it is the primary source of energy for all cells in the body. It is broken down in a process called cellular respiration to produce ATP, the energy currency of the cell. Sucrose, caffeine, protein, and vitamins can all contribute to energy metabolism in different ways, but glucose is the main source of energy.