Which of the following nutrients is a source of energy for human cells?
A)Vitamin D
B)Cholesterol
C)Protein
D)Iron

Question

Quizplus · Accepted Answer

Protein is not only important for building and repairing muscles, but it also provides energy to cells when broken down into amino acids. Vitamins and minerals do not provide energy, and while cholesterol is necessary for cell function, it is not a direct source of energy. Iron is important for oxygen transport in the body, but it does not provide energy to cells.

Which of the Following Nutrients Is a Source of Energy