Question

dna plays a major role in heredity, composing the genes that are passed down from parent to offspring. it also plays a major role in the everyday workings of your cells. it does this by creating molecules, such as enzymes, that regulate cell functions. these enzymes belong to a larger class of molecules known as a rna. b proteins. c ion pumps. d amino acids.

Explanation:

Enzymes are biological catalysts primarily composed of amino acids linked by peptide bonds, belonging to the class of proteins.

Answer:

B. proteins.