Activity of enzymes in serum may be determined rather than concentration because

Patients with ____________________ will exhibit photosensitivity, red urine, fluorescent teeth and neurological symptoms.

When a protein is dissolved in a buffer solution, the pH of which is more alkaline than the pI, and the electric current is passed through the solution, the protein will act as

This “density” lipoprotein is considered to be the “good cholesterol”.

Lactose, sucrose and maltose are examples of what kind of carbohydrate?

Select the two types of enzymatic cofactors 

Cofactors are non-protein molecules that are necessary for enzyme activity and function by alternating the spatial configuration of the enzyme to allow for proper binding of the substrate. 

The cofactor needed in the enzyme reactions for AST (aspartate aminotransferase) and ALT (alanine aminotransferase)is

These disorders are associated with inborn errors of metabolism:

A decrease in this protein will result in an emphysema-like condition.