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.
Although there was some minor advancement in cellular theory between Hooke's discoveries and the presentation of Schwann's and Schleiden's theory, it was Theodor Schwann that first introduced the idea that living things are composed of cells.