| A | B |
|---|
| carbohydrate | molecule made of one or more simple sugar subunits |
| chemical energy | energy held in bonds between atoms of molecules |
| protein | molecule made up of amino acid subunits, ex. Muscle, enzymes |
| digestion | process of breaking food down into molecules small enough that they can be absorbed by cells |
| amino acid | subunit of protein |
| nutrient | subunit molecules that are needed by cells |
| subunit | a building block molecule |
| product | made through chemical reaction |
| reactant | raw materials (ingredients) needed for chemical reaction |
| bond | where atoms join in a molecule |
