9) Standardized Assessment Practice - Choose the best answer. A chemist is identifying the elements found in a newly discovered sea sponge. Which can be used to identify
a particular element?

A. Size of the atoms
B. Number of electrons
C. Number of protons
D. Number of neutrons

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