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.
movement of ions across the cell membrane; usuallydue to movement of K+; cell becomes more negative. how many ions must move to change the membrane potential by 100 mV. 1 of every 100,000 K+ must enter or leave the cell. 4 major types of selective ion channels in neurons. Na+. K+.