Fact 1: Food consists of organic molecules that store energy in their chemical bonds.

Fact 2: For example, beef is a functional food.

Given the two facts above, answer the question "Where do organic molecules in beef store energy?" with the following options: 
- it needs them
 - chemical bonds
 - fur and fat
 - aqueous solution
 - sunlight
 - It gets heated up
 - glucose
 - layers of fat


 

  chemical bonds       