In small intestine millions of micro villi are present for greater absorbption of digested food.
Provided that there's no diagram, most molecules have particular areas on the molecules, called the "active area" that act as a lock to a particular substrate's molecular structure, providing the key.
An enzyme's active area is only able to be "unlocked" by a certain substrate's "key".
Cohesive. This means that the water is attracted to other particles of itself, so they stick and bead up.
