In which process is energy used to build complex molecules from simpler molecules?

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

the answer is otpion c) understanding

he wants to be heard one more time. he wants to be understood. he needs the truth one more time.