In medicine, what is CPK?
Correct answer: An enzyme

YoungAtHeart
Enzymes are proteins, so that answer must also be correct, even if "enzyme" is the more specific answer.

ray
YoungAtHeart, True , but enzymatic proteins , ACT as metabolic catalysts.

Classy
an enzyme

James
an anzyme

Ro
YoungAtHeart, mainly true except the only enzyme that isn’t a protein is ribozyme

pipay
YoungAtHeart, exactly my thoughts

Player #120374466
Our bodies are so complex. The more scientists research the more complex it is. But it's nice these mechanisms are designed and put in place for our benefit

Dreams
Cancer patients have this test (?) - I thought protein.

Maestra
I picked protein too.

pinkcarol1
YoungAtHeart, I was going to post the same truth.