Active site
A reactant
binds to an enzyme in a region known as the active site during a reaction. The active site is the
most important part of the enzyme because it is where the chemical reaction
happens. It usually contains three to four amino acids and a binding site that
binds the substrate and prepares it for catalysis.
A vasa recta is not associated with the renal corpuscle, whereas a podocyte, a fenestrated capillary, and an efferent arteriole are.
An herbivore would belong to the second trophic level in an ecosystem. An herbivore is an animal that eats only plants, making it a consumer at the second level. The first trophic level is always made up of producers, or organisms that undergo photosynthesis such as plants.
