It would be a catalyst. They help increase the rate of chemical reactions.
The Endoplasmic reticulum is a series of pipes and it moves in the cell. Without the E.R., the protein factory (ribosomes) would not be able to ship the proteins and cells would starve to death. Hope this helped!
Weather is the area's day-to-day conditions and climate is the area's average conditions. a natural phenomenon that maintains Earth's temperature range.
Answer:
Exercise is very important for the body to function properly.
