Your doctor may recommend the creatine phosphokinase (CPK) test ... by the lab. As a healthy adult, your creatine kinase levels could also vary based on your race, gender, and activity level.

High levels of liver enzymes in your blood may sometimes indicate an underlying liver condition that requires medical ...

This lets them test thousands of designs on a computer before building the best ones in a lab. “We’ve developed ... in DNA would lead to better enzyme activity. Then, they created enzymes ...