Question

question 3
1 pts
what type of carbon - based molecule is the first to be broken down by the body’s cells to provide a source of energy?
o nucleic acid
o carbohydrate
o lipid
o enzyme

Explanation:

Carbohydrates are the body's primary and most readily - available source of energy. They are broken down into glucose, which is used by cells for energy production through cellular respiration. Nucleic acids are involved in genetic information storage and transfer, lipids are used for long - term energy storage and other functions, and enzymes are biological catalysts, not the first energy source.

Answer:

B. carbohydrate