In the above diagram of an animal cell, what is the function of organelle 4

to aid in protein synthesis by joining amino acids together to form polypeptides

Explanation:

I did it on study island

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

it would be heredity