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.
This became cell theory or cell doctrine, compatible with Schwann's observations across all other tissues he investigated, concluding a cellular origin even of nails, feathers, and tooth enamel. Schleiden's contribution extended cell doctrine to plants.