We know that the formation of chemical bonds results in a release of energy. In the process of aerobic cellular respiration, the energy from the formation of carbon dioxide and water is than the energy needed to break the bonds in sugar and oxygen. 1. released, greater
2. absorbed, greater
3. released, less
4. absorbed, less

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

The chemical form of energy that is useable by the cell to do work

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%