All living things are composed of at least one or more cells. These cells can be distinguished from each other by the presence o
r absence of certain features. What features would a scientist use to differentiate between a plant cell and an animal cell? In other words, what features are present in a plant cell, but not present in an animal cell?
Catalysts are substances that increase or decrease the rate of a chemical reaction but remain unchanged. Enzymes are proteins that increase rate of chemical reactions converting substrate into product.
