Metabolism encompasses the many reactions that take place in cells. to build tissue, produce energy, break down compounds, and do other cellular work. Anabolism refers to reactions that build compounds, such as protein or glycogen. Ca. -. tabolism is the breakdown of compounds to yield energy.
The one experiment that led to the changes to the original cell theory was the experiment that established the existence of single celled organisms and microbes. 1  Comments. 2  Report.
Many Origin of Life (OOL) models presume a mineral scaffold and metabolism first cells. They assume that the first cells developed on the surfaces of natural crystals. Key molecules were adsorbed just underneath the surface and so were protected from most collisions with other molecules.