All of the following are TRUE about functional enzymes, EXCEPT:
Difference Between Functional and Nonfunctional Enzymes: Functional Plasma enzymes Non- functional plasma enzymes Concentration Present in plasma in higher concentration than tissue Present in plasma in very low concentration than tissue Function Known function No Known function Substrate Substrate present in blood Substrate are absent in blood Site of synthesis Liver Different organs (brain, hea, liver, muscles) Effect of diseases Decreased in liver disease Increases in different organ disease Examples Clotting factors Lipoprotein lipase Pseudocholinesterase ALT, AST, LDH, CK Alkaline phosphatase Acid phosphatase Amylase Ref: Medical Biochemistry By Sheriff - Page 94
Prothrombin is a functional enzyme
Present in plasma in higher concentration than tissue
Substrate for enzymes are absent in blood
Decreased in liver disease