Enzymes fall under which class of macro-molecules? a. carbohydrates b. proteins c. lipids d. nucleic acids e. starch

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

When plants use sunlight to make food, the energy of sunlight is