Heavy metals denature proteins by ________.

To what main class of enzymes does the enzyme that catalyzes the conversion of lactose to galactose and glucose belong?

The peptide bonds that link amino acids in a protein are ________.

The presence of enzymes to catalyze bioreactions in our bodies allows ________.

The structural formulas of amino acids are the same except for the ________.

Glycine is the only naturally occurring amino acid that is ________.

In sickle-cell anemia, the hemoglobin molecules ________.

One heavy metal that can cause denaturation of a protein is ________.

Hemoglobin has a total of ________ protein chains in its quaternary structure.

Substances originating in plant or animal material and soluble in non-polar organic solvents are classified as