Which nutrient is most commonly broken down for energy by the cell - is it carbohydrates or proteins?

What organ systems are working to you cool down after a workout?

If you want to double a batch of brownies you must have double the ingredients before you start cooking similarity a cell must double its contents including its dna prior to dividing

Organisms may contain up to five levels of organization within their bodies. which level of organization is shown by the liver? a. tissue b. organ c. organism d. organ system