Apregnant client's last menstrual period was on february 11. a physical assessment on july 18 should reveal the top of the fundus to be where?

i believe the answer is a or 1

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