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.
According to the science of epigenetics (the study of how environmental factors outside of DNA influence changes in gene expression), stem cells and even DNA can be altered through magnetic fields, heart coherence, positive mental states and intention.