It might be called a Junction?
Answer:
Yes
Explanation:
An enzyme is a protein that changes the rate of a chemical reaction.
Answer:
Water has cohesive and adhesive properties.
Water molecules have strong cohesive forces due to their ability to form hydrogen bonds with one another. Cohesive forces are responsible for surface tension, the tendency of a liquid's surface to resist rupture when placed under tension or stress.
To allow oxygen molecule into the leaf to start photosynthesis, and to allow carbon dioxide out of the leaf after photosynthesis is over.