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

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

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

In sickle-cell anemia, the hemoglobin molecules ________.

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

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

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

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

The purpose of the many chemical reactions in our bodies is to ________.

The α helix of the secondary structure of a protein is held together by ________ between two widely separated parts of a protein chain.