Carbohydrates Are Essential for Providing Energy to the Body Because

Carbohydrates are essential for providing energy to the body because:

A) the glucose obtained from them is an important fuel for most of the body's cells
B) they provide amino acids that are the preferred energy sources for body processes
C) ketone bodies produced from proteins do not provide adequate energy for cells
D) fats cannot provide energy for cellular processes
E) they provide ketone bodies that are the preferred energy sources of the body's cells