Which of the following correctly describes the role of biomolecules in energy storage ?

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products