Enzymes catalyze reactions by lowering the activation energy of the reaction. Enzymes are made of proteins, and therefore the answer here is B. Protein molecules.
Activated partial thromboplastin
time (aPTT) is the blood test to monitor anticoagulation therapy for patients
taking heparin. The purpose of carrying out the Activated partial
thromboplastin time (aPTT) test is to find out if the right dose of heparin is
being used.
I’m on that same question
