Question

question 2
which of the following substances fuel for muscles and other cells?
protein
cholesterol
glucose
hfcs

Explanation:

Glucose is the primary energy - source (fuel) for muscles and other cells. Proteins are mainly for building and repairing tissues, cholesterol is important for cell membranes and hormone synthesis but not a main fuel, and HFCS (high - fructose corn syrup) is a sweetener and not the main fuel for cells like glucose.

Answer:

C. glucose