The specific part of the enzyme protein molecule that engages with the substrate is called the active site. Other regions of the protein have less impact on the activity of the enzyme. How is this information relevant to: a. Blocking inhibitors
b. Heat inactivation

Schist. hope it

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.

Gay-lussac's law i think.