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.
From Wikipedia, the free encyclopedia. Cell theory has its origins in seventeenth century microscopy observations, but it would be nearly two hundred years before a complete cell membrane theory be developed to explain what separates cells from the outside world.