I’m guessing the answer would be the second one!
<span>Enzymes work by reducing the energy of activation increasing the potential energy difference between reactant and product decreasing the potential energy difference between reactant and product adding energy to a reaction reducing EA adding a phosphate group to a reactant</span>
aka B
I would go with 4 that's what makes the most sense to me, and i just learned about this last year so... I hope this helps good luck..
The “S” phase which is the phase of DNA synthesis
<span>Bronchoconstriction is the answer that you are looking for. </span>