I think it might be rna but I’m not too sure
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
Answer:
mist our dew not sure i think mist
Explanation:
During swallowing, the air passageway of the phaynx is covered by the epiglottis
