Final answer:
Carbohydrates are the best food to provide quickly available energy while providing the fewest calories from other types of biomolecules.
Step-by-step explanation:
Carbohydrates are the best food to provide quickly available energy while providing the fewest calories from other types of biomolecules. Carbohydrates can be found in foods such as whole grains, fruits, and vegetables. These foods contain complex carbohydrates and simple sugars like glucose, which are easily broken down and converted into energy by the body.