Where does growth in length occur in a long bone?

epiphyseal plate

Explanation:

in a long bone, growth in length occurs in the epiphyseal plate.

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.