the enzymes increase the rate at which the bonds of the proteins are broken; this makes the meat more tender
They actually shorten the protein strands which makes the meat more tender.
Meat tenderizer powder is an enzyme that breaks down the meat fibers, rendering tougher cuts of meat more palatable. The general effect is to make cuts of meat more tender and less chewy.
Meat tenderizer, which can refer to a tool or a chemical used for tenderizing meat
Meat gives your body protein.